Home / 320,714,280.90-442,585,707.68-174,036,564.90

Finding the Fourth Proportional to 320,714,280.90, 442,585,707.68 and 174,036,564.90

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Solution

The fourth proportional to 320,714,280.90, 442,585,707.68 and 174,036,564.90 is: 240,170,459.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,714,280.90 : 442,585,707.68 = 174,036,564.90 : x
  2. Step 2: Convert to fraction form
    320,714,280.90/442,585,707.68 = 174,036,564.90/x
  3. Step 3: Cross multiply
    320,714,280.90x = 442,585,707.68 × 174,036,564.90
  4. Step 4: Simplify right side
    320,714,280.90x = 77,026,096,238,897,840
  5. Step 5: Solve for x
    x = 77,026,096,238,897,840/320,714,280.90
  6. Step 6: Final answer
    x = 240,170,459.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.