Home / 124,671,339.42-172,038,249.91-71,739,503.76

Finding the Fourth Proportional to 124,671,339.42, 172,038,249.91 and 71,739,503.76

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Solution

The fourth proportional to 124,671,339.42, 172,038,249.91 and 71,739,503.76 is: 98,995,797.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,671,339.42 : 172,038,249.91 = 71,739,503.76 : x
  2. Step 2: Convert to fraction form
    124,671,339.42/172,038,249.91 = 71,739,503.76/x
  3. Step 3: Cross multiply
    124,671,339.42x = 172,038,249.91 × 71,739,503.76
  4. Step 4: Simplify right side
    124,671,339.42x = 12,341,938,676,282,266
  5. Step 5: Solve for x
    x = 12,341,938,676,282,266/124,671,339.42
  6. Step 6: Final answer
    x = 98,995,797.54

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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.