Home / 147,020,604.40-220,194,983.40-86,554,428.40

Finding the Fourth Proportional to 147,020,604.40, 220,194,983.40 and 86,554,428.40

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Solution

The fourth proportional to 147,020,604.40, 220,194,983.40 and 86,554,428.40 is: 129,633,876.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,020,604.40 : 220,194,983.40 = 86,554,428.40 : x
  2. Step 2: Convert to fraction form
    147,020,604.40/220,194,983.40 = 86,554,428.40/x
  3. Step 3: Cross multiply
    147,020,604.40x = 220,194,983.40 × 86,554,428.40
  4. Step 4: Simplify right side
    147,020,604.40x = 19,058,850,924,734,492
  5. Step 5: Solve for x
    x = 19,058,850,924,734,492/147,020,604.40
  6. Step 6: Final answer
    x = 129,633,876.85

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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.