Home / 55,433,432.19-76,498,631.75-30,655,285.95

Finding the Fourth Proportional to 55,433,432.19, 76,498,631.75 and 30,655,285.95

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Solution

The fourth proportional to 55,433,432.19, 76,498,631.75 and 30,655,285.95 is: 42,304,568.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,433,432.19 : 76,498,631.75 = 30,655,285.95 : x
  2. Step 2: Convert to fraction form
    55,433,432.19/76,498,631.75 = 30,655,285.95/x
  3. Step 3: Cross multiply
    55,433,432.19x = 76,498,631.75 × 30,655,285.95
  4. Step 4: Simplify right side
    55,433,432.19x = 2,345,087,430,926,722.50
  5. Step 5: Solve for x
    x = 2,345,087,430,926,722.50/55,433,432.19
  6. Step 6: Final answer
    x = 42,304,568.53

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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.