Home / 129,080,060.30-178,125,300.17-70,341,473.50

Finding the Fourth Proportional to 129,080,060.30, 178,125,300.17 and 70,341,473.50

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Solution

The fourth proportional to 129,080,060.30, 178,125,300.17 and 70,341,473.50 is: 97,068,408.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,080,060.30 : 178,125,300.17 = 70,341,473.50 : x
  2. Step 2: Convert to fraction form
    129,080,060.30/178,125,300.17 = 70,341,473.50/x
  3. Step 3: Cross multiply
    129,080,060.30x = 178,125,300.17 × 70,341,473.50
  4. Step 4: Simplify right side
    129,080,060.30x = 12,529,596,081,587,600
  5. Step 5: Solve for x
    x = 12,529,596,081,587,600/129,080,060.30
  6. Step 6: Final answer
    x = 97,068,408.96

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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.