Home / 126,656,457.98-190,107,541.28-61,123,715.78

Finding the Fourth Proportional to 126,656,457.98, 190,107,541.28 and 61,123,715.78

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Solution

The fourth proportional to 126,656,457.98, 190,107,541.28 and 61,123,715.78 is: 91,744,862.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,656,457.98 : 190,107,541.28 = 61,123,715.78 : x
  2. Step 2: Convert to fraction form
    126,656,457.98/190,107,541.28 = 61,123,715.78/x
  3. Step 3: Cross multiply
    126,656,457.98x = 190,107,541.28 × 61,123,715.78
  4. Step 4: Simplify right side
    126,656,457.98x = 11,620,079,320,035,608
  5. Step 5: Solve for x
    x = 11,620,079,320,035,608/126,656,457.98
  6. Step 6: Final answer
    x = 91,744,862.49

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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.