Home / 134,591,793.32-185,798,675.94-78,829,475.24

Finding the Fourth Proportional to 134,591,793.32, 185,798,675.94 and 78,829,475.24

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Solution

The fourth proportional to 134,591,793.32, 185,798,675.94 and 78,829,475.24 is: 108,820,989.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,591,793.32 : 185,798,675.94 = 78,829,475.24 : x
  2. Step 2: Convert to fraction form
    134,591,793.32/185,798,675.94 = 78,829,475.24/x
  3. Step 3: Cross multiply
    134,591,793.32x = 185,798,675.94 × 78,829,475.24
  4. Step 4: Simplify right side
    134,591,793.32x = 14,646,412,124,637,012
  5. Step 5: Solve for x
    x = 14,646,412,124,637,012/134,591,793.32
  6. Step 6: Final answer
    x = 108,820,989.48

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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.