Home / 145,155,077,200.80-217,732,615,801.20-45,791,766,007.20

Finding the Fourth Proportional to 145,155,077,200.80, 217,732,615,801.20 and 45,791,766,007.20

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Solution

The fourth proportional to 145,155,077,200.80, 217,732,615,801.20 and 45,791,766,007.20 is: 68,687,649,010.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,155,077,200.80 : 217,732,615,801.20 = 45,791,766,007.20 : x
  2. Step 2: Convert to fraction form
    145,155,077,200.80/217,732,615,801.20 = 45,791,766,007.20/x
  3. Step 3: Cross multiply
    145,155,077,200.80x = 217,732,615,801.20 × 45,791,766,007.20
  4. Step 4: Simplify right side
    145,155,077,200.80x = 9,970,360,994,904,127,045,632
  5. Step 5: Solve for x
    x = 9,970,360,994,904,127,045,632/145,155,077,200.80
  6. Step 6: Final answer
    x = 68,687,649,010.80

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1.5x scale

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.