Home / 154,885,565.70-232,328,348.55-86,010,812.10

Finding the Fourth Proportional to 154,885,565.70, 232,328,348.55 and 86,010,812.10

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Solution

The fourth proportional to 154,885,565.70, 232,328,348.55 and 86,010,812.10 is: 129,016,218.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,885,565.70 : 232,328,348.55 = 86,010,812.10 : x
  2. Step 2: Convert to fraction form
    154,885,565.70/232,328,348.55 = 86,010,812.10/x
  3. Step 3: Cross multiply
    154,885,565.70x = 232,328,348.55 × 86,010,812.10
  4. Step 4: Simplify right side
    154,885,565.70x = 19,982,749,932,637,356
  5. Step 5: Solve for x
    x = 19,982,749,932,637,356/154,885,565.70
  6. Step 6: Final answer
    x = 129,016,218.15

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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.