Home / 101,280,045.64-139,767,134.02-54,870,299.56

Finding the Fourth Proportional to 101,280,045.64, 139,767,134.02 and 54,870,299.56

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Solution

The fourth proportional to 101,280,045.64, 139,767,134.02 and 54,870,299.56 is: 75,721,376.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,280,045.64 : 139,767,134.02 = 54,870,299.56 : x
  2. Step 2: Convert to fraction form
    101,280,045.64/139,767,134.02 = 54,870,299.56/x
  3. Step 3: Cross multiply
    101,280,045.64x = 139,767,134.02 × 54,870,299.56
  4. Step 4: Simplify right side
    101,280,045.64x = 7,669,064,512,320,068
  5. Step 5: Solve for x
    x = 7,669,064,512,320,068/101,280,045.64
  6. Step 6: Final answer
    x = 75,721,376.94

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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.