Home / 78,887,888.90-118,275,846.15-35,777,744.90

Finding the Fourth Proportional to 78,887,888.90, 118,275,846.15 and 35,777,744.90

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Solution

The fourth proportional to 78,887,888.90, 118,275,846.15 and 35,777,744.90 is: 53,641,225.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,887,888.90 : 118,275,846.15 = 35,777,744.90 : x
  2. Step 2: Convert to fraction form
    78,887,888.90/118,275,846.15 = 35,777,744.90/x
  3. Step 3: Cross multiply
    78,887,888.90x = 118,275,846.15 × 35,777,744.90
  4. Step 4: Simplify right side
    78,887,888.90x = 4,231,643,051,386,347
  5. Step 5: Solve for x
    x = 4,231,643,051,386,347/78,887,888.90
  6. Step 6: Final answer
    x = 53,641,225.67

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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.