Home / 442,908,010.60-664,362,015.90-136,160,265.40

Finding the Fourth Proportional to 442,908,010.60, 664,362,015.90 and 136,160,265.40

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Solution

The fourth proportional to 442,908,010.60, 664,362,015.90 and 136,160,265.40 is: 204,240,398.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,908,010.60 : 664,362,015.90 = 136,160,265.40 : x
  2. Step 2: Convert to fraction form
    442,908,010.60/664,362,015.90 = 136,160,265.40/x
  3. Step 3: Cross multiply
    442,908,010.60x = 664,362,015.90 × 136,160,265.40
  4. Step 4: Simplify right side
    442,908,010.60x = 90,459,708,406,623,024
  5. Step 5: Solve for x
    x = 90,459,708,406,623,024/442,908,010.60
  6. Step 6: Final answer
    x = 204,240,398.10

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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.