Home / 152,053,527.80-209,838,294.95-85,972,607.30

Finding the Fourth Proportional to 152,053,527.80, 209,838,294.95 and 85,972,607.30

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Solution

The fourth proportional to 152,053,527.80, 209,838,294.95 and 85,972,607.30 is: 118,644,700.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,053,527.80 : 209,838,294.95 = 85,972,607.30 : x
  2. Step 2: Convert to fraction form
    152,053,527.80/209,838,294.95 = 85,972,607.30/x
  3. Step 3: Cross multiply
    152,053,527.80x = 209,838,294.95 × 85,972,607.30
  4. Step 4: Simplify right side
    152,053,527.80x = 18,040,345,326,758,868
  5. Step 5: Solve for x
    x = 18,040,345,326,758,868/152,053,527.80
  6. Step 6: Final answer
    x = 118,644,700.90

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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.