Home / 137,636,250.33-189,841,324.14-90,578,330.76

Finding the Fourth Proportional to 137,636,250.33, 189,841,324.14 and 90,578,330.76

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Solution

The fourth proportional to 137,636,250.33, 189,841,324.14 and 90,578,330.76 is: 124,934,457.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,636,250.33 : 189,841,324.14 = 90,578,330.76 : x
  2. Step 2: Convert to fraction form
    137,636,250.33/189,841,324.14 = 90,578,330.76/x
  3. Step 3: Cross multiply
    137,636,250.33x = 189,841,324.14 × 90,578,330.76
  4. Step 4: Simplify right side
    137,636,250.33x = 17,195,510,249,869,292
  5. Step 5: Solve for x
    x = 17,195,510,249,869,292/137,636,250.33
  6. Step 6: Final answer
    x = 124,934,457.37

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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.