Home / 78,864,253.25-118,309,831.74-35,160,869.70

Finding the Fourth Proportional to 78,864,253.25, 118,309,831.74 and 35,160,869.70

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Solution

The fourth proportional to 78,864,253.25, 118,309,831.74 and 35,160,869.70 is: 52,747,301.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,864,253.25 : 118,309,831.74 = 35,160,869.70 : x
  2. Step 2: Convert to fraction form
    78,864,253.25/118,309,831.74 = 35,160,869.70/x
  3. Step 3: Cross multiply
    78,864,253.25x = 118,309,831.74 × 35,160,869.70
  4. Step 4: Simplify right side
    78,864,253.25x = 4,159,876,578,039,064.50
  5. Step 5: Solve for x
    x = 4,159,876,578,039,064.50/78,864,253.25
  6. Step 6: Final answer
    x = 52,747,301.94

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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.