Home / 65,882,271.87-90,864,522.20-57,917,785.07

Finding the Fourth Proportional to 65,882,271.87, 90,864,522.20 and 57,917,785.07

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Solution

The fourth proportional to 65,882,271.87, 90,864,522.20 and 57,917,785.07 is: 79,879,939.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,882,271.87 : 90,864,522.20 = 57,917,785.07 : x
  2. Step 2: Convert to fraction form
    65,882,271.87/90,864,522.20 = 57,917,785.07/x
  3. Step 3: Cross multiply
    65,882,271.87x = 90,864,522.20 × 57,917,785.07
  4. Step 4: Simplify right side
    65,882,271.87x = 5,262,671,866,523,931
  5. Step 5: Solve for x
    x = 5,262,671,866,523,931/65,882,271.87
  6. Step 6: Final answer
    x = 79,879,939.13

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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.