Home / 87,066,430.15-120,148,071.27-47,374,124.26

Finding the Fourth Proportional to 87,066,430.15, 120,148,071.27 and 47,374,124.26

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Solution

The fourth proportional to 87,066,430.15, 120,148,071.27 and 47,374,124.26 is: 65,374,331.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,066,430.15 : 120,148,071.27 = 47,374,124.26 : x
  2. Step 2: Convert to fraction form
    87,066,430.15/120,148,071.27 = 47,374,124.26/x
  3. Step 3: Cross multiply
    87,066,430.15x = 120,148,071.27 × 47,374,124.26
  4. Step 4: Simplify right side
    87,066,430.15x = 5,691,909,657,944,316
  5. Step 5: Solve for x
    x = 5,691,909,657,944,316/87,066,430.15
  6. Step 6: Final answer
    x = 65,374,331.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.