Home / 165,960,986.40-248,941,479.60-125,650,202.40

Finding the Fourth Proportional to 165,960,986.40, 248,941,479.60 and 125,650,202.40

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Solution

The fourth proportional to 165,960,986.40, 248,941,479.60 and 125,650,202.40 is: 188,475,303.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,960,986.40 : 248,941,479.60 = 125,650,202.40 : x
  2. Step 2: Convert to fraction form
    165,960,986.40/248,941,479.60 = 125,650,202.40/x
  3. Step 3: Cross multiply
    165,960,986.40x = 248,941,479.60 × 125,650,202.40
  4. Step 4: Simplify right side
    165,960,986.40x = 31,279,547,297,495,472
  5. Step 5: Solve for x
    x = 31,279,547,297,495,472/165,960,986.40
  6. Step 6: Final answer
    x = 188,475,303.60

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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.