Home / 90,958,116.60-136,437,174.90-69,434,756.10

Finding the Fourth Proportional to 90,958,116.60, 136,437,174.90 and 69,434,756.10

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Solution

The fourth proportional to 90,958,116.60, 136,437,174.90 and 69,434,756.10 is: 104,152,134.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,958,116.60 : 136,437,174.90 = 69,434,756.10 : x
  2. Step 2: Convert to fraction form
    90,958,116.60/136,437,174.90 = 69,434,756.10/x
  3. Step 3: Cross multiply
    90,958,116.60x = 136,437,174.90 × 69,434,756.10
  4. Step 4: Simplify right side
    90,958,116.60x = 9,473,481,962,154,542
  5. Step 5: Solve for x
    x = 9,473,481,962,154,542/90,958,116.60
  6. Step 6: Final answer
    x = 104,152,134.15

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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.