Home / 129,301,217.40-178,439,459.40-70,567,652.04

Finding the Fourth Proportional to 129,301,217.40, 178,439,459.40 and 70,567,652.04

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Solution

The fourth proportional to 129,301,217.40, 178,439,459.40 and 70,567,652.04 is: 97,385,422.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,301,217.40 : 178,439,459.40 = 70,567,652.04 : x
  2. Step 2: Convert to fraction form
    129,301,217.40/178,439,459.40 = 70,567,652.04/x
  3. Step 3: Cross multiply
    129,301,217.40x = 178,439,459.40 × 70,567,652.04
  4. Step 4: Simplify right side
    129,301,217.40x = 12,592,053,681,144,908
  5. Step 5: Solve for x
    x = 12,592,053,681,144,908/129,301,217.40
  6. Step 6: Final answer
    x = 97,385,422.46

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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.