Home / 127,379,681.92-190,819,817.85-66,009,098.23

Finding the Fourth Proportional to 127,379,681.92, 190,819,817.85 and 66,009,098.23

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Solution

The fourth proportional to 127,379,681.92, 190,819,817.85 and 66,009,098.23 is: 98,884,248.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,379,681.92 : 190,819,817.85 = 66,009,098.23 : x
  2. Step 2: Convert to fraction form
    127,379,681.92/190,819,817.85 = 66,009,098.23/x
  3. Step 3: Cross multiply
    127,379,681.92x = 190,819,817.85 × 66,009,098.23
  4. Step 4: Simplify right side
    127,379,681.92x = 12,595,844,100,691,356
  5. Step 5: Solve for x
    x = 12,595,844,100,691,356/127,379,681.92
  6. Step 6: Final answer
    x = 98,884,248.34

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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.