Home / 85,223,710.40-127,835,565.60-31,392,017.60

Finding the Fourth Proportional to 85,223,710.40, 127,835,565.60 and 31,392,017.60

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Solution

The fourth proportional to 85,223,710.40, 127,835,565.60 and 31,392,017.60 is: 47,088,026.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,223,710.40 : 127,835,565.60 = 31,392,017.60 : x
  2. Step 2: Convert to fraction form
    85,223,710.40/127,835,565.60 = 31,392,017.60/x
  3. Step 3: Cross multiply
    85,223,710.40x = 127,835,565.60 × 31,392,017.60
  4. Step 4: Simplify right side
    85,223,710.40x = 4,013,016,325,221,154.50
  5. Step 5: Solve for x
    x = 4,013,016,325,221,154.50/85,223,710.40
  6. Step 6: Final answer
    x = 47,088,026.40

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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.