Home / 63,128,077.20-94,692,115.80-61,238,509.20

Finding the Fourth Proportional to 63,128,077.20, 94,692,115.80 and 61,238,509.20

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Solution

The fourth proportional to 63,128,077.20, 94,692,115.80 and 61,238,509.20 is: 91,857,763.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,128,077.20 : 94,692,115.80 = 61,238,509.20 : x
  2. Step 2: Convert to fraction form
    63,128,077.20/94,692,115.80 = 61,238,509.20/x
  3. Step 3: Cross multiply
    63,128,077.20x = 94,692,115.80 × 61,238,509.20
  4. Step 4: Simplify right side
    63,128,077.20x = 5,798,804,004,585,765
  5. Step 5: Solve for x
    x = 5,798,804,004,585,765/63,128,077.20
  6. Step 6: Final answer
    x = 91,857,763.80

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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.