Home / 127,904,099.80-191,814,159.30-47,114,570.20

Finding the Fourth Proportional to 127,904,099.80, 191,814,159.30 and 47,114,570.20

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Solution

The fourth proportional to 127,904,099.80, 191,814,159.30 and 47,114,570.20 is: 70,656,387.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,904,099.80 : 191,814,159.30 = 47,114,570.20 : x
  2. Step 2: Convert to fraction form
    127,904,099.80/191,814,159.30 = 47,114,570.20/x
  3. Step 3: Cross multiply
    127,904,099.80x = 191,814,159.30 × 47,114,570.20
  4. Step 4: Simplify right side
    127,904,099.80x = 9,037,241,673,693,834
  5. Step 5: Solve for x
    x = 9,037,241,673,693,834/127,904,099.80
  6. Step 6: Final answer
    x = 70,656,387.78

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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.