Home / 115,587,068.80-173,380,603.20-77,266,940.80

Finding the Fourth Proportional to 115,587,068.80, 173,380,603.20 and 77,266,940.80

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Solution

The fourth proportional to 115,587,068.80, 173,380,603.20 and 77,266,940.80 is: 115,900,411.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,587,068.80 : 173,380,603.20 = 77,266,940.80 : x
  2. Step 2: Convert to fraction form
    115,587,068.80/173,380,603.20 = 77,266,940.80/x
  3. Step 3: Cross multiply
    115,587,068.80x = 173,380,603.20 × 77,266,940.80
  4. Step 4: Simplify right side
    115,587,068.80x = 13,396,588,803,322,690
  5. Step 5: Solve for x
    x = 13,396,588,803,322,690/115,587,068.80
  6. Step 6: Final answer
    x = 115,900,411.20

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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.