Home / 115,033,068.85-172,549,603.28-54,566,892.85

Finding the Fourth Proportional to 115,033,068.85, 172,549,603.28 and 54,566,892.85

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Solution

The fourth proportional to 115,033,068.85, 172,549,603.28 and 54,566,892.85 is: 81,850,339.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,033,068.85 : 172,549,603.28 = 54,566,892.85 : x
  2. Step 2: Convert to fraction form
    115,033,068.85/172,549,603.28 = 54,566,892.85/x
  3. Step 3: Cross multiply
    115,033,068.85x = 172,549,603.28 × 54,566,892.85
  4. Step 4: Simplify right side
    115,033,068.85x = 9,415,495,713,216,934
  5. Step 5: Solve for x
    x = 9,415,495,713,216,934/115,033,068.85
  6. Step 6: Final answer
    x = 81,850,339.28

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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.