Home / 90,040,176.68-124,256,854.52-52,871,278.84

Finding the Fourth Proportional to 90,040,176.68, 124,256,854.52 and 52,871,278.84

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Solution

The fourth proportional to 90,040,176.68, 124,256,854.52 and 52,871,278.84 is: 72,963,193.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,040,176.68 : 124,256,854.52 = 52,871,278.84 : x
  2. Step 2: Convert to fraction form
    90,040,176.68/124,256,854.52 = 52,871,278.84/x
  3. Step 3: Cross multiply
    90,040,176.68x = 124,256,854.52 × 52,871,278.84
  4. Step 4: Simplify right side
    90,040,176.68x = 6,569,618,803,108,235
  5. Step 5: Solve for x
    x = 6,569,618,803,108,235/90,040,176.68
  6. Step 6: Final answer
    x = 72,963,193.16

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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.