Home / 102,779,253-154,209,230.19-45,231,155.82

Finding the Fourth Proportional to 102,779,253, 154,209,230.19 and 45,231,155.82

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Solution

The fourth proportional to 102,779,253, 154,209,230.19 and 45,231,155.82 is: 67,864,491.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,779,253 : 154,209,230.19 = 45,231,155.82 : x
  2. Step 2: Convert to fraction form
    102,779,253/154,209,230.19 = 45,231,155.82/x
  3. Step 3: Cross multiply
    102,779,253x = 154,209,230.19 × 45,231,155.82
  4. Step 4: Simplify right side
    102,779,253x = 6,975,061,719,606,138
  5. Step 5: Solve for x
    x = 6,975,061,719,606,138/102,779,253
  6. Step 6: Final answer
    x = 67,864,491.29

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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.