Home / 89,849,119.40-134,773,679.10-86,321,925.80

Finding the Fourth Proportional to 89,849,119.40, 134,773,679.10 and 86,321,925.80

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Solution

The fourth proportional to 89,849,119.40, 134,773,679.10 and 86,321,925.80 is: 129,482,888.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,849,119.40 : 134,773,679.10 = 86,321,925.80 : x
  2. Step 2: Convert to fraction form
    89,849,119.40/134,773,679.10 = 86,321,925.80/x
  3. Step 3: Cross multiply
    89,849,119.40x = 134,773,679.10 × 86,321,925.80
  4. Step 4: Simplify right side
    89,849,119.40x = 11,633,923,527,063,210
  5. Step 5: Solve for x
    x = 11,633,923,527,063,210/89,849,119.40
  6. Step 6: Final answer
    x = 129,482,888.70

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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.