Home / 113,421,691.80-170,069,552.10-45,187,291.80

Finding the Fourth Proportional to 113,421,691.80, 170,069,552.10 and 45,187,291.80

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Solution

The fourth proportional to 113,421,691.80, 170,069,552.10 and 45,187,291.80 is: 67,755,844.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,421,691.80 : 170,069,552.10 = 45,187,291.80 : x
  2. Step 2: Convert to fraction form
    113,421,691.80/170,069,552.10 = 45,187,291.80/x
  3. Step 3: Cross multiply
    113,421,691.80x = 170,069,552.10 × 45,187,291.80
  4. Step 4: Simplify right side
    113,421,691.80x = 7,684,982,477,038,002
  5. Step 5: Solve for x
    x = 7,684,982,477,038,002/113,421,691.80
  6. Step 6: Final answer
    x = 67,755,844.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.