Home / 92,675,887.80-139,013,831.70-71,218,793.40

Finding the Fourth Proportional to 92,675,887.80, 139,013,831.70 and 71,218,793.40

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Solution

The fourth proportional to 92,675,887.80, 139,013,831.70 and 71,218,793.40 is: 106,828,190.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,675,887.80 : 139,013,831.70 = 71,218,793.40 : x
  2. Step 2: Convert to fraction form
    92,675,887.80/139,013,831.70 = 71,218,793.40/x
  3. Step 3: Cross multiply
    92,675,887.80x = 139,013,831.70 × 71,218,793.40
  4. Step 4: Simplify right side
    92,675,887.80x = 9,900,397,359,584,670
  5. Step 5: Solve for x
    x = 9,900,397,359,584,670/92,675,887.80
  6. Step 6: Final answer
    x = 106,828,190.10

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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.