Home / 40,106,148,984.90-60,159,223,477.35-21,509,965,512.90

Finding the Fourth Proportional to 40,106,148,984.90, 60,159,223,477.35 and 21,509,965,512.90

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Solution

The fourth proportional to 40,106,148,984.90, 60,159,223,477.35 and 21,509,965,512.90 is: 32,264,948,269.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,106,148,984.90 : 60,159,223,477.35 = 21,509,965,512.90 : x
  2. Step 2: Convert to fraction form
    40,106,148,984.90/60,159,223,477.35 = 21,509,965,512.90/x
  3. Step 3: Cross multiply
    40,106,148,984.90x = 60,159,223,477.35 × 21,509,965,512.90
  4. Step 4: Simplify right side
    40,106,148,984.90x = 1,294,022,822,280,642,691,072
  5. Step 5: Solve for x
    x = 1,294,022,822,280,642,691,072/40,106,148,984.90
  6. Step 6: Final answer
    x = 32,264,948,269.35

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.