Home / 117,471,848.80-176,207,773.20-71,555,346.40

Finding the Fourth Proportional to 117,471,848.80, 176,207,773.20 and 71,555,346.40

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Solution

The fourth proportional to 117,471,848.80, 176,207,773.20 and 71,555,346.40 is: 107,333,019.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,471,848.80 : 176,207,773.20 = 71,555,346.40 : x
  2. Step 2: Convert to fraction form
    117,471,848.80/176,207,773.20 = 71,555,346.40/x
  3. Step 3: Cross multiply
    117,471,848.80x = 176,207,773.20 × 71,555,346.40
  4. Step 4: Simplify right side
    117,471,848.80x = 12,608,608,249,698,636
  5. Step 5: Solve for x
    x = 12,608,608,249,698,636/117,471,848.80
  6. Step 6: Final answer
    x = 107,333,019.60

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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.