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Finding the Fourth Proportional to 292,346,372.43, 438,373,646.04 and 95,584,155.66

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Solution

The fourth proportional to 292,346,372.43, 438,373,646.04 and 95,584,155.66 is: 143,328,526.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,346,372.43 : 438,373,646.04 = 95,584,155.66 : x
  2. Step 2: Convert to fraction form
    292,346,372.43/438,373,646.04 = 95,584,155.66/x
  3. Step 3: Cross multiply
    292,346,372.43x = 438,373,646.04 × 95,584,155.66
  4. Step 4: Simplify right side
    292,346,372.43x = 41,901,574,820,329,104
  5. Step 5: Solve for x
    x = 41,901,574,820,329,104/292,346,372.43
  6. Step 6: Final answer
    x = 143,328,526.61

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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.