Home / 98,750,983.50-136,277,764.11-56,934,221.58

Finding the Fourth Proportional to 98,750,983.50, 136,277,764.11 and 56,934,221.58

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Solution

The fourth proportional to 98,750,983.50, 136,277,764.11 and 56,934,221.58 is: 78,570,036.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,750,983.50 : 136,277,764.11 = 56,934,221.58 : x
  2. Step 2: Convert to fraction form
    98,750,983.50/136,277,764.11 = 56,934,221.58/x
  3. Step 3: Cross multiply
    98,750,983.50x = 136,277,764.11 × 56,934,221.58
  4. Step 4: Simplify right side
    98,750,983.50x = 7,758,868,418,265,712
  5. Step 5: Solve for x
    x = 7,758,868,418,265,712/98,750,983.50
  6. Step 6: Final answer
    x = 78,570,036.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.