Home / 99,854,547.20-149,781,820.80-48,769,337.60

Finding the Fourth Proportional to 99,854,547.20, 149,781,820.80 and 48,769,337.60

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Solution

The fourth proportional to 99,854,547.20, 149,781,820.80 and 48,769,337.60 is: 73,154,006.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,854,547.20 : 149,781,820.80 = 48,769,337.60 : x
  2. Step 2: Convert to fraction form
    99,854,547.20/149,781,820.80 = 48,769,337.60/x
  3. Step 3: Cross multiply
    99,854,547.20x = 149,781,820.80 × 48,769,337.60
  4. Step 4: Simplify right side
    99,854,547.20x = 7,304,760,184,937,903
  5. Step 5: Solve for x
    x = 7,304,760,184,937,903/99,854,547.20
  6. Step 6: Final answer
    x = 73,154,006.40

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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.