Home / 130,278,011,035.95-195,305,096,200.48-45,276,762,085.65

Finding the Fourth Proportional to 130,278,011,035.95, 195,305,096,200.48 and 45,276,762,085.65

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Solution

The fourth proportional to 130,278,011,035.95, 195,305,096,200.48 and 45,276,762,085.65 is: 67,876,246,378.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,278,011,035.95 : 195,305,096,200.48 = 45,276,762,085.65 : x
  2. Step 2: Convert to fraction form
    130,278,011,035.95/195,305,096,200.48 = 45,276,762,085.65/x
  3. Step 3: Cross multiply
    130,278,011,035.95x = 195,305,096,200.48 × 45,276,762,085.65
  4. Step 4: Simplify right side
    130,278,011,035.95x = 8,842,782,374,784,119,341,056
  5. Step 5: Solve for x
    x = 8,842,782,374,784,119,341,056/130,278,011,035.95
  6. Step 6: Final answer
    x = 67,876,246,378.55

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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.