Home / 98,888,721.40-148,333,082.10-88,307,140.60

Finding the Fourth Proportional to 98,888,721.40, 148,333,082.10 and 88,307,140.60

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Solution

The fourth proportional to 98,888,721.40, 148,333,082.10 and 88,307,140.60 is: 132,460,710.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,888,721.40 : 148,333,082.10 = 88,307,140.60 : x
  2. Step 2: Convert to fraction form
    98,888,721.40/148,333,082.10 = 88,307,140.60/x
  3. Step 3: Cross multiply
    98,888,721.40x = 148,333,082.10 × 88,307,140.60
  4. Step 4: Simplify right side
    98,888,721.40x = 13,098,870,336,636,042
  5. Step 5: Solve for x
    x = 13,098,870,336,636,042/98,888,721.40
  6. Step 6: Final answer
    x = 132,460,710.90

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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.