Home / 103,323,830.50-142,586,886.09-56,913,940.90

Finding the Fourth Proportional to 103,323,830.50, 142,586,886.09 and 56,913,940.90

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Solution

The fourth proportional to 103,323,830.50, 142,586,886.09 and 56,913,940.90 is: 78,541,238.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,323,830.50 : 142,586,886.09 = 56,913,940.90 : x
  2. Step 2: Convert to fraction form
    103,323,830.50/142,586,886.09 = 56,913,940.90/x
  3. Step 3: Cross multiply
    103,323,830.50x = 142,586,886.09 × 56,913,940.90
  4. Step 4: Simplify right side
    103,323,830.50x = 8,115,181,608,041,292
  5. Step 5: Solve for x
    x = 8,115,181,608,041,292/103,323,830.50
  6. Step 6: Final answer
    x = 78,541,238.44

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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.