Home / 70,959,559.20-106,439,338.80-63,779,200.80

Finding the Fourth Proportional to 70,959,559.20, 106,439,338.80 and 63,779,200.80

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Solution

The fourth proportional to 70,959,559.20, 106,439,338.80 and 63,779,200.80 is: 95,668,801.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,959,559.20 : 106,439,338.80 = 63,779,200.80 : x
  2. Step 2: Convert to fraction form
    70,959,559.20/106,439,338.80 = 63,779,200.80/x
  3. Step 3: Cross multiply
    70,959,559.20x = 106,439,338.80 × 63,779,200.80
  4. Step 4: Simplify right side
    70,959,559.20x = 6,788,615,962,344,431
  5. Step 5: Solve for x
    x = 6,788,615,962,344,431/70,959,559.20
  6. Step 6: Final answer
    x = 95,668,801.20

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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.