Home / 113,509,122.74-156,642,586.66-61,298,154.12

Finding the Fourth Proportional to 113,509,122.74, 156,642,586.66 and 61,298,154.12

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Solution

The fourth proportional to 113,509,122.74, 156,642,586.66 and 61,298,154.12 is: 84,591,451.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,509,122.74 : 156,642,586.66 = 61,298,154.12 : x
  2. Step 2: Convert to fraction form
    113,509,122.74/156,642,586.66 = 61,298,154.12/x
  3. Step 3: Cross multiply
    113,509,122.74x = 156,642,586.66 × 61,298,154.12
  4. Step 4: Simplify right side
    113,509,122.74x = 9,601,901,418,840,136
  5. Step 5: Solve for x
    x = 9,601,901,418,840,136/113,509,122.74
  6. Step 6: Final answer
    x = 84,591,451.22

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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.