Home / 96,771,166.60-145,156,749.90-86,917,419.40

Finding the Fourth Proportional to 96,771,166.60, 145,156,749.90 and 86,917,419.40

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Solution

The fourth proportional to 96,771,166.60, 145,156,749.90 and 86,917,419.40 is: 130,376,129.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,771,166.60 : 145,156,749.90 = 86,917,419.40 : x
  2. Step 2: Convert to fraction form
    96,771,166.60/145,156,749.90 = 86,917,419.40/x
  3. Step 3: Cross multiply
    96,771,166.60x = 145,156,749.90 × 86,917,419.40
  4. Step 4: Simplify right side
    96,771,166.60x = 12,616,650,109,799,210
  5. Step 5: Solve for x
    x = 12,616,650,109,799,210/96,771,166.60
  6. Step 6: Final answer
    x = 130,376,129.10

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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.