Home / 288,718,273.98-432,904,454.10-91,896,664.77

Finding the Fourth Proportional to 288,718,273.98, 432,904,454.10 and 91,896,664.77

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Solution

The fourth proportional to 288,718,273.98, 432,904,454.10 and 91,896,664.77 is: 137,789,946.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,718,273.98 : 432,904,454.10 = 91,896,664.77 : x
  2. Step 2: Convert to fraction form
    288,718,273.98/432,904,454.10 = 91,896,664.77/x
  3. Step 3: Cross multiply
    288,718,273.98x = 432,904,454.10 × 91,896,664.77
  4. Step 4: Simplify right side
    288,718,273.98x = 39,782,475,495,867,552
  5. Step 5: Solve for x
    x = 39,782,475,495,867,552/288,718,273.98
  6. Step 6: Final answer
    x = 137,789,946.40

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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.