Home / 128,304,069.60-192,456,104.40-106,762,994.40

Finding the Fourth Proportional to 128,304,069.60, 192,456,104.40 and 106,762,994.40

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Solution

The fourth proportional to 128,304,069.60, 192,456,104.40 and 106,762,994.40 is: 160,144,491.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,304,069.60 : 192,456,104.40 = 106,762,994.40 : x
  2. Step 2: Convert to fraction form
    128,304,069.60/192,456,104.40 = 106,762,994.40/x
  3. Step 3: Cross multiply
    128,304,069.60x = 192,456,104.40 × 106,762,994.40
  4. Step 4: Simplify right side
    128,304,069.60x = 20,547,189,996,303,016
  5. Step 5: Solve for x
    x = 20,547,189,996,303,016/128,304,069.60
  6. Step 6: Final answer
    x = 160,144,491.60

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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.