Home / 85,104,291.40-127,656,437.10-83,760,598.60

Finding the Fourth Proportional to 85,104,291.40, 127,656,437.10 and 83,760,598.60

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Solution

The fourth proportional to 85,104,291.40, 127,656,437.10 and 83,760,598.60 is: 125,640,897.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,104,291.40 : 127,656,437.10 = 83,760,598.60 : x
  2. Step 2: Convert to fraction form
    85,104,291.40/127,656,437.10 = 83,760,598.60/x
  3. Step 3: Cross multiply
    85,104,291.40x = 127,656,437.10 × 83,760,598.60
  4. Step 4: Simplify right side
    85,104,291.40x = 10,692,579,586,639,246
  5. Step 5: Solve for x
    x = 10,692,579,586,639,246/85,104,291.40
  6. Step 6: Final answer
    x = 125,640,897.90

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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.