Home / 127,812,803.70-191,719,205.55-86,998,134.90

Finding the Fourth Proportional to 127,812,803.70, 191,719,205.55 and 86,998,134.90

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Solution

The fourth proportional to 127,812,803.70, 191,719,205.55 and 86,998,134.90 is: 130,497,202.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,812,803.70 : 191,719,205.55 = 86,998,134.90 : x
  2. Step 2: Convert to fraction form
    127,812,803.70/191,719,205.55 = 86,998,134.90/x
  3. Step 3: Cross multiply
    127,812,803.70x = 191,719,205.55 × 86,998,134.90
  4. Step 4: Simplify right side
    127,812,803.70x = 16,679,213,307,359,730
  5. Step 5: Solve for x
    x = 16,679,213,307,359,730/127,812,803.70
  6. Step 6: Final answer
    x = 130,497,202.35

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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.