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Finding the Fourth Proportional to 133,533,689.60, 200,300,534.40 and 133,533,689.60

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Solution

The fourth proportional to 133,533,689.60, 200,300,534.40 and 133,533,689.60 is: 200,300,534.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,533,689.60 : 200,300,534.40 = 133,533,689.60 : x
  2. Step 2: Convert to fraction form
    133,533,689.60/200,300,534.40 = 133,533,689.60/x
  3. Step 3: Cross multiply
    133,533,689.60x = 200,300,534.40 × 133,533,689.60
  4. Step 4: Simplify right side
    133,533,689.60x = 26,746,869,387,283,720
  5. Step 5: Solve for x
    x = 26,746,869,387,283,720/133,533,689.60
  6. Step 6: Final answer
    x = 200,300,534.40

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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.