Home / 129,288,323.22-178,421,671.89-70,554,773.04

Finding the Fourth Proportional to 129,288,323.22, 178,421,671.89 and 70,554,773.04

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Solution

The fourth proportional to 129,288,323.22, 178,421,671.89 and 70,554,773.04 is: 97,367,652.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,288,323.22 : 178,421,671.89 = 70,554,773.04 : x
  2. Step 2: Convert to fraction form
    129,288,323.22/178,421,671.89 = 70,554,773.04/x
  3. Step 3: Cross multiply
    129,288,323.22x = 178,421,671.89 × 70,554,773.04
  4. Step 4: Simplify right side
    129,288,323.22x = 12,588,500,565,616,298
  5. Step 5: Solve for x
    x = 12,588,500,565,616,298/129,288,323.22
  6. Step 6: Final answer
    x = 97,367,652.79

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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.