Home / 92,871,674.34-128,155,292.56-54,674,740.66

Finding the Fourth Proportional to 92,871,674.34, 128,155,292.56 and 54,674,740.66

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Solution

The fourth proportional to 92,871,674.34, 128,155,292.56 and 54,674,740.66 is: 75,446,657.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,871,674.34 : 128,155,292.56 = 54,674,740.66 : x
  2. Step 2: Convert to fraction form
    92,871,674.34/128,155,292.56 = 54,674,740.66/x
  3. Step 3: Cross multiply
    92,871,674.34x = 128,155,292.56 × 54,674,740.66
  4. Step 4: Simplify right side
    92,871,674.34x = 7,006,857,384,924,427
  5. Step 5: Solve for x
    x = 7,006,857,384,924,427/92,871,674.34
  6. Step 6: Final answer
    x = 75,446,657.28

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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.