Home / 124,671,336.41-172,038,245.77-71,739,500.76

Finding the Fourth Proportional to 124,671,336.41, 172,038,245.77 and 71,739,500.76

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Solution

The fourth proportional to 124,671,336.41, 172,038,245.77 and 71,739,500.76 is: 98,995,793.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,671,336.41 : 172,038,245.77 = 71,739,500.76 : x
  2. Step 2: Convert to fraction form
    124,671,336.41/172,038,245.77 = 71,739,500.76/x
  3. Step 3: Cross multiply
    124,671,336.41x = 172,038,245.77 × 71,739,500.76
  4. Step 4: Simplify right side
    124,671,336.41x = 12,341,937,863,165,984
  5. Step 5: Solve for x
    x = 12,341,937,863,165,984/124,671,336.41
  6. Step 6: Final answer
    x = 98,995,793.41

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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.