Home / 112,571,445.11-155,350,180.56-64,860,330.90

Finding the Fourth Proportional to 112,571,445.11, 155,350,180.56 and 64,860,330.90

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Solution

The fourth proportional to 112,571,445.11, 155,350,180.56 and 64,860,330.90 is: 89,508,170.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,571,445.11 : 155,350,180.56 = 64,860,330.90 : x
  2. Step 2: Convert to fraction form
    112,571,445.11/155,350,180.56 = 64,860,330.90/x
  3. Step 3: Cross multiply
    112,571,445.11x = 155,350,180.56 × 64,860,330.90
  4. Step 4: Simplify right side
    112,571,445.11x = 10,076,064,116,884,826
  5. Step 5: Solve for x
    x = 10,076,064,116,884,826/112,571,445.11
  6. Step 6: Final answer
    x = 89,508,170.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.