Home / 315,060,833.40-472,367,301.30-120,897,223.80

Finding the Fourth Proportional to 315,060,833.40, 472,367,301.30 and 120,897,223.80

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Solution

The fourth proportional to 315,060,833.40, 472,367,301.30 and 120,897,223.80 is: 181,259,900.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,060,833.40 : 472,367,301.30 = 120,897,223.80 : x
  2. Step 2: Convert to fraction form
    315,060,833.40/472,367,301.30 = 120,897,223.80/x
  3. Step 3: Cross multiply
    315,060,833.40x = 472,367,301.30 × 120,897,223.80
  4. Step 4: Simplify right side
    315,060,833.40x = 57,107,895,341,068,128
  5. Step 5: Solve for x
    x = 57,107,895,341,068,128/315,060,833.40
  6. Step 6: Final answer
    x = 181,259,900.59

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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.