Home / 342,673,287.60-514,303,864.20-138,348,001.20

Finding the Fourth Proportional to 342,673,287.60, 514,303,864.20 and 138,348,001.20

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Solution

The fourth proportional to 342,673,287.60, 514,303,864.20 and 138,348,001.20 is: 207,640,671.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,673,287.60 : 514,303,864.20 = 138,348,001.20 : x
  2. Step 2: Convert to fraction form
    342,673,287.60/514,303,864.20 = 138,348,001.20/x
  3. Step 3: Cross multiply
    342,673,287.60x = 514,303,864.20 × 138,348,001.20
  4. Step 4: Simplify right side
    342,673,287.60x = 71,152,911,621,506,232
  5. Step 5: Solve for x
    x = 71,152,911,621,506,232/342,673,287.60
  6. Step 6: Final answer
    x = 207,640,671.73

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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.