Home / 315,708,495.71-435,680,543.18-174,589,265.06

Finding the Fourth Proportional to 315,708,495.71, 435,680,543.18 and 174,589,265.06

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Solution

The fourth proportional to 315,708,495.71, 435,680,543.18 and 174,589,265.06 is: 240,934,744.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,708,495.71 : 435,680,543.18 = 174,589,265.06 : x
  2. Step 2: Convert to fraction form
    315,708,495.71/435,680,543.18 = 174,589,265.06/x
  3. Step 3: Cross multiply
    315,708,495.71x = 435,680,543.18 × 174,589,265.06
  4. Step 4: Simplify right side
    315,708,495.71x = 76,065,145,833,580,304
  5. Step 5: Solve for x
    x = 76,065,145,833,580,304/315,708,495.71
  6. Step 6: Final answer
    x = 240,934,744.77

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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.