Home / 165,429,365.60-248,144,048.40-42,607,445.60

Finding the Fourth Proportional to 165,429,365.60, 248,144,048.40 and 42,607,445.60

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Solution

The fourth proportional to 165,429,365.60, 248,144,048.40 and 42,607,445.60 is: 63,911,168.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,429,365.60 : 248,144,048.40 = 42,607,445.60 : x
  2. Step 2: Convert to fraction form
    165,429,365.60/248,144,048.40 = 42,607,445.60/x
  3. Step 3: Cross multiply
    165,429,365.60x = 248,144,048.40 × 42,607,445.60
  4. Step 4: Simplify right side
    165,429,365.60x = 10,572,784,043,166,768
  5. Step 5: Solve for x
    x = 10,572,784,043,166,768/165,429,365.60
  6. Step 6: Final answer
    x = 63,911,168.40

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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.