Home / 115,918,667.10-173,878,000.65-107,159,780.70

Finding the Fourth Proportional to 115,918,667.10, 173,878,000.65 and 107,159,780.70

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Solution

The fourth proportional to 115,918,667.10, 173,878,000.65 and 107,159,780.70 is: 160,739,671.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,918,667.10 : 173,878,000.65 = 107,159,780.70 : x
  2. Step 2: Convert to fraction form
    115,918,667.10/173,878,000.65 = 107,159,780.70/x
  3. Step 3: Cross multiply
    115,918,667.10x = 173,878,000.65 × 107,159,780.70
  4. Step 4: Simplify right side
    115,918,667.10x = 18,632,728,418,208,460
  5. Step 5: Solve for x
    x = 18,632,728,418,208,460/115,918,667.10
  6. Step 6: Final answer
    x = 160,739,671.05

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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.