Home / 137,636,251.83-189,841,326.21-90,578,332.26

Finding the Fourth Proportional to 137,636,251.83, 189,841,326.21 and 90,578,332.26

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Solution

The fourth proportional to 137,636,251.83, 189,841,326.21 and 90,578,332.26 is: 124,934,459.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,636,251.83 : 189,841,326.21 = 90,578,332.26 : x
  2. Step 2: Convert to fraction form
    137,636,251.83/189,841,326.21 = 90,578,332.26/x
  3. Step 3: Cross multiply
    137,636,251.83x = 189,841,326.21 × 90,578,332.26
  4. Step 4: Simplify right side
    137,636,251.83x = 17,195,510,722,128,428
  5. Step 5: Solve for x
    x = 17,195,510,722,128,428/137,636,251.83
  6. Step 6: Final answer
    x = 124,934,459.44

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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.