Home / 55,011,642.40-82,517,463.60-49,272,079.60

Finding the Fourth Proportional to 55,011,642.40, 82,517,463.60 and 49,272,079.60

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Solution

The fourth proportional to 55,011,642.40, 82,517,463.60 and 49,272,079.60 is: 73,908,119.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,011,642.40 : 82,517,463.60 = 49,272,079.60 : x
  2. Step 2: Convert to fraction form
    55,011,642.40/82,517,463.60 = 49,272,079.60/x
  3. Step 3: Cross multiply
    55,011,642.40x = 82,517,463.60 × 49,272,079.60
  4. Step 4: Simplify right side
    55,011,642.40x = 4,065,807,034,889,302.50
  5. Step 5: Solve for x
    x = 4,065,807,034,889,302.50/55,011,642.40
  6. Step 6: Final answer
    x = 73,908,119.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.