Home / 82,997,006.70-124,495,510.05-39,855,807.30

Finding the Fourth Proportional to 82,997,006.70, 124,495,510.05 and 39,855,807.30

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Solution

The fourth proportional to 82,997,006.70, 124,495,510.05 and 39,855,807.30 is: 59,783,710.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,997,006.70 : 124,495,510.05 = 39,855,807.30 : x
  2. Step 2: Convert to fraction form
    82,997,006.70/124,495,510.05 = 39,855,807.30/x
  3. Step 3: Cross multiply
    82,997,006.70x = 124,495,510.05 × 39,855,807.30
  4. Step 4: Simplify right side
    82,997,006.70x = 4,961,869,058,268,013
  5. Step 5: Solve for x
    x = 4,961,869,058,268,013/82,997,006.70
  6. Step 6: Final answer
    x = 59,783,710.95

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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.