Home / 255,527,368.19-383,291,008.55-80,773,077.28

Finding the Fourth Proportional to 255,527,368.19, 383,291,008.55 and 80,773,077.28

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Solution

The fourth proportional to 255,527,368.19, 383,291,008.55 and 80,773,077.28 is: 121,159,602.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,527,368.19 : 383,291,008.55 = 80,773,077.28 : x
  2. Step 2: Convert to fraction form
    255,527,368.19/383,291,008.55 = 80,773,077.28/x
  3. Step 3: Cross multiply
    255,527,368.19x = 383,291,008.55 × 80,773,077.28
  4. Step 4: Simplify right side
    255,527,368.19x = 30,959,594,253,279,096
  5. Step 5: Solve for x
    x = 30,959,594,253,279,096/255,527,368.19
  6. Step 6: Final answer
    x = 121,159,602.09

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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.