Home / 154,885,563.70-232,328,345.55-86,010,810.10

Finding the Fourth Proportional to 154,885,563.70, 232,328,345.55 and 86,010,810.10

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Solution

The fourth proportional to 154,885,563.70, 232,328,345.55 and 86,010,810.10 is: 129,016,215.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,885,563.70 : 232,328,345.55 = 86,010,810.10 : x
  2. Step 2: Convert to fraction form
    154,885,563.70/232,328,345.55 = 86,010,810.10/x
  3. Step 3: Cross multiply
    154,885,563.70x = 232,328,345.55 × 86,010,810.10
  4. Step 4: Simplify right side
    154,885,563.70x = 19,982,749,209,948,228
  5. Step 5: Solve for x
    x = 19,982,749,209,948,228/154,885,563.70
  6. Step 6: Final answer
    x = 129,016,215.15

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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.