Home / 47,142,006.40-70,734,004.80-21,569,852.80

Finding the Fourth Proportional to 47,142,006.40, 70,734,004.80 and 21,569,852.80

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Solution

The fourth proportional to 47,142,006.40, 70,734,004.80 and 21,569,852.80 is: 32,364,385.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,142,006.40 : 70,734,004.80 = 21,569,852.80 : x
  2. Step 2: Convert to fraction form
    47,142,006.40/70,734,004.80 = 21,569,852.80/x
  3. Step 3: Cross multiply
    47,142,006.40x = 70,734,004.80 × 21,569,852.80
  4. Step 4: Simplify right side
    47,142,006.40x = 1,525,722,071,490,493.50
  5. Step 5: Solve for x
    x = 1,525,722,071,490,493.50/47,142,006.40
  6. Step 6: Final answer
    x = 32,364,385.57

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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.