Home / 442,908,021.60-664,362,032.40-136,160,276.40

Finding the Fourth Proportional to 442,908,021.60, 664,362,032.40 and 136,160,276.40

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Solution

The fourth proportional to 442,908,021.60, 664,362,032.40 and 136,160,276.40 is: 204,240,414.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,908,021.60 : 664,362,032.40 = 136,160,276.40 : x
  2. Step 2: Convert to fraction form
    442,908,021.60/664,362,032.40 = 136,160,276.40/x
  3. Step 3: Cross multiply
    442,908,021.60x = 664,362,032.40 × 136,160,276.40
  4. Step 4: Simplify right side
    442,908,021.60x = 90,459,717,961,249,760
  5. Step 5: Solve for x
    x = 90,459,717,961,249,760/442,908,021.60
  6. Step 6: Final answer
    x = 204,240,414.60

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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.