Home / 55,423,222.38-76,486,712.67-30,642,950.70

Finding the Fourth Proportional to 55,423,222.38, 76,486,712.67 and 30,642,950.70

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Solution

The fourth proportional to 55,423,222.38, 76,486,712.67 and 30,642,950.70 is: 42,288,745.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,423,222.38 : 76,486,712.67 = 30,642,950.70 : x
  2. Step 2: Convert to fraction form
    55,423,222.38/76,486,712.67 = 30,642,950.70/x
  3. Step 3: Cross multiply
    55,423,222.38x = 76,486,712.67 × 30,642,950.70
  4. Step 4: Simplify right side
    55,423,222.38x = 2,343,778,565,551,875.50
  5. Step 5: Solve for x
    x = 2,343,778,565,551,875.50/55,423,222.38
  6. Step 6: Final answer
    x = 42,288,745.85

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1.5x scale

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.