Home / 83,237,661.40-124,772,511.30-37,832,042.20

Finding the Fourth Proportional to 83,237,661.40, 124,772,511.30 and 37,832,042.20

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Solution

The fourth proportional to 83,237,661.40, 124,772,511.30 and 37,832,042.20 is: 56,709,893.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,237,661.40 : 124,772,511.30 = 37,832,042.20 : x
  2. Step 2: Convert to fraction form
    83,237,661.40/124,772,511.30 = 37,832,042.20/x
  3. Step 3: Cross multiply
    83,237,661.40x = 124,772,511.30 × 37,832,042.20
  4. Step 4: Simplify right side
    83,237,661.40x = 4,720,398,912,901,577
  5. Step 5: Solve for x
    x = 4,720,398,912,901,577/83,237,661.40
  6. Step 6: Final answer
    x = 56,709,893.50

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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.