Home / 128,304,673.60-192,457,010.40-120,746,401.60

Finding the Fourth Proportional to 128,304,673.60, 192,457,010.40 and 120,746,401.60

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Solution

The fourth proportional to 128,304,673.60, 192,457,010.40 and 120,746,401.60 is: 181,119,602.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,304,673.60 : 192,457,010.40 = 120,746,401.60 : x
  2. Step 2: Convert to fraction form
    128,304,673.60/192,457,010.40 = 120,746,401.60/x
  3. Step 3: Cross multiply
    128,304,673.60x = 192,457,010.40 × 120,746,401.60
  4. Step 4: Simplify right side
    128,304,673.60x = 23,238,491,468,493,776
  5. Step 5: Solve for x
    x = 23,238,491,468,493,776/128,304,673.60
  6. Step 6: Final answer
    x = 181,119,602.40

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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.