Home / 89,168,909.40-133,627,392.90-65,958,715.80

Finding the Fourth Proportional to 89,168,909.40, 133,627,392.90 and 65,958,715.80

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Solution

The fourth proportional to 89,168,909.40, 133,627,392.90 and 65,958,715.80 is: 98,844,892.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,168,909.40 : 133,627,392.90 = 65,958,715.80 : x
  2. Step 2: Convert to fraction form
    89,168,909.40/133,627,392.90 = 65,958,715.80/x
  3. Step 3: Cross multiply
    89,168,909.40x = 133,627,392.90 × 65,958,715.80
  4. Step 4: Simplify right side
    89,168,909.40x = 8,813,891,231,386,038
  5. Step 5: Solve for x
    x = 8,813,891,231,386,038/89,168,909.40
  6. Step 6: Final answer
    x = 98,844,892.13

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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.