Home / 83,003,013.55-124,579,807.80-42,090,913.90

Finding the Fourth Proportional to 83,003,013.55, 124,579,807.80 and 42,090,913.90

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Solution

The fourth proportional to 83,003,013.55, 124,579,807.80 and 42,090,913.90 is: 63,174,549.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,003,013.55 : 124,579,807.80 = 42,090,913.90 : x
  2. Step 2: Convert to fraction form
    83,003,013.55/124,579,807.80 = 42,090,913.90/x
  3. Step 3: Cross multiply
    83,003,013.55x = 124,579,807.80 × 42,090,913.90
  4. Step 4: Simplify right side
    83,003,013.55x = 5,243,677,963,788,348
  5. Step 5: Solve for x
    x = 5,243,677,963,788,348/83,003,013.55
  6. Step 6: Final answer
    x = 63,174,549.21

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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.