Home / 74,468,002.90-111,702,004.35-51,509,751.70

Finding the Fourth Proportional to 74,468,002.90, 111,702,004.35 and 51,509,751.70

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Solution

The fourth proportional to 74,468,002.90, 111,702,004.35 and 51,509,751.70 is: 77,264,627.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,468,002.90 : 111,702,004.35 = 51,509,751.70 : x
  2. Step 2: Convert to fraction form
    74,468,002.90/111,702,004.35 = 51,509,751.70/x
  3. Step 3: Cross multiply
    74,468,002.90x = 111,702,004.35 × 51,509,751.70
  4. Step 4: Simplify right side
    74,468,002.90x = 5,753,742,508,460,820
  5. Step 5: Solve for x
    x = 5,753,742,508,460,820/74,468,002.90
  6. Step 6: Final answer
    x = 77,264,627.55

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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.