Home / 148,859,581.26-205,396,118.92-86,967,962.40

Finding the Fourth Proportional to 148,859,581.26, 205,396,118.92 and 86,967,962.40

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Solution

The fourth proportional to 148,859,581.26, 205,396,118.92 and 86,967,962.40 is: 119,998,200.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,859,581.26 : 205,396,118.92 = 86,967,962.40 : x
  2. Step 2: Convert to fraction form
    148,859,581.26/205,396,118.92 = 86,967,962.40/x
  3. Step 3: Cross multiply
    148,859,581.26x = 205,396,118.92 × 86,967,962.40
  4. Step 4: Simplify right side
    148,859,581.26x = 17,862,881,947,340,488
  5. Step 5: Solve for x
    x = 17,862,881,947,340,488/148,859,581.26
  6. Step 6: Final answer
    x = 119,998,200.96

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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.