Home / 83,003,015.55-124,579,810.80-42,090,915.90

Finding the Fourth Proportional to 83,003,015.55, 124,579,810.80 and 42,090,915.90

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Solution

The fourth proportional to 83,003,015.55, 124,579,810.80 and 42,090,915.90 is: 63,174,552.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,003,015.55 : 124,579,810.80 = 42,090,915.90 : x
  2. Step 2: Convert to fraction form
    83,003,015.55/124,579,810.80 = 42,090,915.90/x
  3. Step 3: Cross multiply
    83,003,015.55x = 124,579,810.80 × 42,090,915.90
  4. Step 4: Simplify right side
    83,003,015.55x = 5,243,678,339,220,711
  5. Step 5: Solve for x
    x = 5,243,678,339,220,711/83,003,015.55
  6. Step 6: Final answer
    x = 63,174,552.21

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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.