Home / 89,299,584,002.60-133,949,376,003.90-72,769,643,138.60

Finding the Fourth Proportional to 89,299,584,002.60, 133,949,376,003.90 and 72,769,643,138.60

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Solution

The fourth proportional to 89,299,584,002.60, 133,949,376,003.90 and 72,769,643,138.60 is: 109,154,464,707.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,299,584,002.60 : 133,949,376,003.90 = 72,769,643,138.60 : x
  2. Step 2: Convert to fraction form
    89,299,584,002.60/133,949,376,003.90 = 72,769,643,138.60/x
  3. Step 3: Cross multiply
    89,299,584,002.60x = 133,949,376,003.90 × 72,769,643,138.60
  4. Step 4: Simplify right side
    89,299,584,002.60x = 9,747,448,290,441,953,280,000
  5. Step 5: Solve for x
    x = 9,747,448,290,441,953,280,000/89,299,584,002.60
  6. Step 6: Final answer
    x = 109,154,464,707.90

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1.5x scale

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.