Home / 103,323,832.50-142,586,888.86-56,913,942.90

Finding the Fourth Proportional to 103,323,832.50, 142,586,888.86 and 56,913,942.90

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Solution

The fourth proportional to 103,323,832.50, 142,586,888.86 and 56,913,942.90 is: 78,541,241.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,323,832.50 : 142,586,888.86 = 56,913,942.90 : x
  2. Step 2: Convert to fraction form
    103,323,832.50/142,586,888.86 = 56,913,942.90/x
  3. Step 3: Cross multiply
    103,323,832.50x = 142,586,888.86 × 56,913,942.90
  4. Step 4: Simplify right side
    103,323,832.50x = 8,115,182,050,866,687
  5. Step 5: Solve for x
    x = 8,115,182,050,866,687/103,323,832.50
  6. Step 6: Final answer
    x = 78,541,241.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.