Home / 103,478,783.10-155,218,174.65-88,090,613.70

Finding the Fourth Proportional to 103,478,783.10, 155,218,174.65 and 88,090,613.70

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Solution

The fourth proportional to 103,478,783.10, 155,218,174.65 and 88,090,613.70 is: 132,135,920.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,478,783.10 : 155,218,174.65 = 88,090,613.70 : x
  2. Step 2: Convert to fraction form
    103,478,783.10/155,218,174.65 = 88,090,613.70/x
  3. Step 3: Cross multiply
    103,478,783.10x = 155,218,174.65 × 88,090,613.70
  4. Step 4: Simplify right side
    103,478,783.10x = 13,673,264,262,312,284
  5. Step 5: Solve for x
    x = 13,673,264,262,312,284/103,478,783.10
  6. Step 6: Final answer
    x = 132,135,920.55

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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.