Home / 96,713,877.60-145,070,816.40-85,376,469.60

Finding the Fourth Proportional to 96,713,877.60, 145,070,816.40 and 85,376,469.60

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Solution

The fourth proportional to 96,713,877.60, 145,070,816.40 and 85,376,469.60 is: 128,064,704.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,713,877.60 : 145,070,816.40 = 85,376,469.60 : x
  2. Step 2: Convert to fraction form
    96,713,877.60/145,070,816.40 = 85,376,469.60/x
  3. Step 3: Cross multiply
    96,713,877.60x = 145,070,816.40 × 85,376,469.60
  4. Step 4: Simplify right side
    96,713,877.60x = 12,385,634,146,221,782
  5. Step 5: Solve for x
    x = 12,385,634,146,221,782/96,713,877.60
  6. Step 6: Final answer
    x = 128,064,704.40

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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.