Home / 78,400,308.66-117,592,799.85-23,813,368.08

Finding the Fourth Proportional to 78,400,308.66, 117,592,799.85 and 23,813,368.08

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Solution

The fourth proportional to 78,400,308.66, 117,592,799.85 and 23,813,368.08 is: 35,717,724.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,400,308.66 : 117,592,799.85 = 23,813,368.08 : x
  2. Step 2: Convert to fraction form
    78,400,308.66/117,592,799.85 = 23,813,368.08/x
  3. Step 3: Cross multiply
    78,400,308.66x = 117,592,799.85 × 23,813,368.08
  4. Step 4: Simplify right side
    78,400,308.66x = 2,800,280,626,385,818.50
  5. Step 5: Solve for x
    x = 2,800,280,626,385,818.50/78,400,308.66
  6. Step 6: Final answer
    x = 35,717,724.51

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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.