Home / 120,271,565.73-180,433,920.65-43,592,601.05

Finding the Fourth Proportional to 120,271,565.73, 180,433,920.65 and 43,592,601.05

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Solution

The fourth proportional to 120,271,565.73, 180,433,920.65 and 43,592,601.05 is: 65,398,532.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,271,565.73 : 180,433,920.65 = 43,592,601.05 : x
  2. Step 2: Convert to fraction form
    120,271,565.73/180,433,920.65 = 43,592,601.05/x
  3. Step 3: Cross multiply
    120,271,565.73x = 180,433,920.65 × 43,592,601.05
  4. Step 4: Simplify right side
    120,271,565.73x = 7,865,583,917,662,675
  5. Step 5: Solve for x
    x = 7,865,583,917,662,675/120,271,565.73
  6. Step 6: Final answer
    x = 65,398,532.65

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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.