Home / 147,780,512,612.65-221,551,478,070.93-135,852,063,627.82

Finding the Fourth Proportional to 147,780,512,612.65, 221,551,478,070.93 and 135,852,063,627.82

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Solution

The fourth proportional to 147,780,512,612.65, 221,551,478,070.93 and 135,852,063,627.82 is: 203,668,433,432.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,780,512,612.65 : 221,551,478,070.93 = 135,852,063,627.82 : x
  2. Step 2: Convert to fraction form
    147,780,512,612.65/221,551,478,070.93 = 135,852,063,627.82/x
  3. Step 3: Cross multiply
    147,780,512,612.65x = 221,551,478,070.93 × 135,852,063,627.82
  4. Step 4: Simplify right side
    147,780,512,612.65x = 30,098,225,495,729,550,393,344
  5. Step 5: Solve for x
    x = 30,098,225,495,729,550,393,344/147,780,512,612.65
  6. Step 6: Final answer
    x = 203,668,433,432.90

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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.