Home / 52,555,420.40-78,779,476.20-35,517,815.60

Finding the Fourth Proportional to 52,555,420.40, 78,779,476.20 and 35,517,815.60

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Solution

The fourth proportional to 52,555,420.40, 78,779,476.20 and 35,517,815.60 is: 53,240,462.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,555,420.40 : 78,779,476.20 = 35,517,815.60 : x
  2. Step 2: Convert to fraction form
    52,555,420.40/78,779,476.20 = 35,517,815.60/x
  3. Step 3: Cross multiply
    52,555,420.40x = 78,779,476.20 × 35,517,815.60
  4. Step 4: Simplify right side
    52,555,420.40x = 2,798,074,908,736,189
  5. Step 5: Solve for x
    x = 2,798,074,908,736,189/52,555,420.40
  6. Step 6: Final answer
    x = 53,240,462.88

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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.