Home / 85,193,952.40-127,528,828.17-55,586,390.36

Finding the Fourth Proportional to 85,193,952.40, 127,528,828.17 and 55,586,390.36

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Solution

The fourth proportional to 85,193,952.40, 127,528,828.17 and 55,586,390.36 is: 83,208,573.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,193,952.40 : 127,528,828.17 = 55,586,390.36 : x
  2. Step 2: Convert to fraction form
    85,193,952.40/127,528,828.17 = 55,586,390.36/x
  3. Step 3: Cross multiply
    85,193,952.40x = 127,528,828.17 × 55,586,390.36
  4. Step 4: Simplify right side
    85,193,952.40x = 7,088,867,225,565,810
  5. Step 5: Solve for x
    x = 7,088,867,225,565,810/85,193,952.40
  6. Step 6: Final answer
    x = 83,208,573.21

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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.