Home / 129,827,291.15-179,161,700.36-70,288,575.41

Finding the Fourth Proportional to 129,827,291.15, 179,161,700.36 and 70,288,575.41

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Solution

The fourth proportional to 129,827,291.15, 179,161,700.36 and 70,288,575.41 is: 96,998,254.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,827,291.15 : 179,161,700.36 = 70,288,575.41 : x
  2. Step 2: Convert to fraction form
    129,827,291.15/179,161,700.36 = 70,288,575.41/x
  3. Step 3: Cross multiply
    129,827,291.15x = 179,161,700.36 × 70,288,575.41
  4. Step 4: Simplify right side
    129,827,291.15x = 12,593,020,685,090,432
  5. Step 5: Solve for x
    x = 12,593,020,685,090,432/129,827,291.15
  6. Step 6: Final answer
    x = 96,998,254.94

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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.