Home / 128,304,428.60-192,464,015.70-37,442,041.40

Finding the Fourth Proportional to 128,304,428.60, 192,464,015.70 and 37,442,041.40

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Solution

The fourth proportional to 128,304,428.60, 192,464,015.70 and 37,442,041.40 is: 56,165,213.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,304,428.60 : 192,464,015.70 = 37,442,041.40 : x
  2. Step 2: Convert to fraction form
    128,304,428.60/192,464,015.70 = 37,442,041.40/x
  3. Step 3: Cross multiply
    128,304,428.60x = 192,464,015.70 × 37,442,041.40
  4. Step 4: Simplify right side
    128,304,428.60x = 7,206,245,643,849,649
  5. Step 5: Solve for x
    x = 7,206,245,643,849,649/128,304,428.60
  6. Step 6: Final answer
    x = 56,165,213.64

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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.