Home / 176,815,429.20-265,223,143.80-90,721,987.20

Finding the Fourth Proportional to 176,815,429.20, 265,223,143.80 and 90,721,987.20

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Solution

The fourth proportional to 176,815,429.20, 265,223,143.80 and 90,721,987.20 is: 136,082,980.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,815,429.20 : 265,223,143.80 = 90,721,987.20 : x
  2. Step 2: Convert to fraction form
    176,815,429.20/265,223,143.80 = 90,721,987.20/x
  3. Step 3: Cross multiply
    176,815,429.20x = 265,223,143.80 × 90,721,987.20
  4. Step 4: Simplify right side
    176,815,429.20x = 24,061,570,656,967,360
  5. Step 5: Solve for x
    x = 24,061,570,656,967,360/176,815,429.20
  6. Step 6: Final answer
    x = 136,082,980.80

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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.