Home / 98,931,659.30-148,397,488.95-73,103,626.70

Finding the Fourth Proportional to 98,931,659.30, 148,397,488.95 and 73,103,626.70

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Solution

The fourth proportional to 98,931,659.30, 148,397,488.95 and 73,103,626.70 is: 109,655,440.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,931,659.30 : 148,397,488.95 = 73,103,626.70 : x
  2. Step 2: Convert to fraction form
    98,931,659.30/148,397,488.95 = 73,103,626.70/x
  3. Step 3: Cross multiply
    98,931,659.30x = 148,397,488.95 × 73,103,626.70
  4. Step 4: Simplify right side
    98,931,659.30x = 10,848,394,635,418,174
  5. Step 5: Solve for x
    x = 10,848,394,635,418,174/98,931,659.30
  6. Step 6: Final answer
    x = 109,655,440.05

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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.