Home / 128,304,009.60-192,456,014.40-32,565,897.60

Finding the Fourth Proportional to 128,304,009.60, 192,456,014.40 and 32,565,897.60

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Solution

The fourth proportional to 128,304,009.60, 192,456,014.40 and 32,565,897.60 is: 48,848,846.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,304,009.60 : 192,456,014.40 = 32,565,897.60 : x
  2. Step 2: Convert to fraction form
    128,304,009.60/192,456,014.40 = 32,565,897.60/x
  3. Step 3: Cross multiply
    128,304,009.60x = 192,456,014.40 × 32,565,897.60
  4. Step 4: Simplify right side
    128,304,009.60x = 6,267,502,857,454,526
  5. Step 5: Solve for x
    x = 6,267,502,857,454,526/128,304,009.60
  6. Step 6: Final answer
    x = 48,848,846.40

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1.5x scale

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.