Home / 99,168,001.80-148,752,002.70-74,981,531.40

Finding the Fourth Proportional to 99,168,001.80, 148,752,002.70 and 74,981,531.40

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Solution

The fourth proportional to 99,168,001.80, 148,752,002.70 and 74,981,531.40 is: 112,472,297.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,168,001.80 : 148,752,002.70 = 74,981,531.40 : x
  2. Step 2: Convert to fraction form
    99,168,001.80/148,752,002.70 = 74,981,531.40/x
  3. Step 3: Cross multiply
    99,168,001.80x = 148,752,002.70 × 74,981,531.40
  4. Step 4: Simplify right side
    99,168,001.80x = 11,153,652,961,262,934
  5. Step 5: Solve for x
    x = 11,153,652,961,262,934/99,168,001.80
  6. Step 6: Final answer
    x = 112,472,297.10

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1.5x scale

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.