Home / 99,854,439.40-149,781,659.10-48,710,132.20

Finding the Fourth Proportional to 99,854,439.40, 149,781,659.10 and 48,710,132.20

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Solution

The fourth proportional to 99,854,439.40, 149,781,659.10 and 48,710,132.20 is: 73,065,198.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,854,439.40 : 149,781,659.10 = 48,710,132.20 : x
  2. Step 2: Convert to fraction form
    99,854,439.40/149,781,659.10 = 48,710,132.20/x
  3. Step 3: Cross multiply
    99,854,439.40x = 149,781,659.10 × 48,710,132.20
  4. Step 4: Simplify right side
    99,854,439.40x = 7,295,884,415,896,333
  5. Step 5: Solve for x
    x = 7,295,884,415,896,333/99,854,439.40
  6. Step 6: Final answer
    x = 73,065,198.30

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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.