Home / 90,958,101.10-136,437,151.65-69,434,740.60

Finding the Fourth Proportional to 90,958,101.10, 136,437,151.65 and 69,434,740.60

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Solution

The fourth proportional to 90,958,101.10, 136,437,151.65 and 69,434,740.60 is: 104,152,110.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,958,101.10 : 136,437,151.65 = 69,434,740.60 : x
  2. Step 2: Convert to fraction form
    90,958,101.10/136,437,151.65 = 69,434,740.60/x
  3. Step 3: Cross multiply
    90,958,101.10x = 136,437,151.65 × 69,434,740.60
  4. Step 4: Simplify right side
    90,958,101.10x = 9,473,478,233,020,612
  5. Step 5: Solve for x
    x = 9,473,478,233,020,612/90,958,101.10
  6. Step 6: Final answer
    x = 104,152,110.90

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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.