Home / 145,165,877.40-217,748,816.10-134,080,411.80

Finding the Fourth Proportional to 145,165,877.40, 217,748,816.10 and 134,080,411.80

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Solution

The fourth proportional to 145,165,877.40, 217,748,816.10 and 134,080,411.80 is: 201,120,617.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,165,877.40 : 217,748,816.10 = 134,080,411.80 : x
  2. Step 2: Convert to fraction form
    145,165,877.40/217,748,816.10 = 134,080,411.80/x
  3. Step 3: Cross multiply
    145,165,877.40x = 217,748,816.10 × 134,080,411.80
  4. Step 4: Simplify right side
    145,165,877.40x = 29,195,850,931,650,468
  5. Step 5: Solve for x
    x = 29,195,850,931,650,468/145,165,877.40
  6. Step 6: Final answer
    x = 201,120,617.70

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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.