Home / 78,814,307.68-108,781,878-46,229,757.28

Finding the Fourth Proportional to 78,814,307.68, 108,781,878 and 46,229,757.28

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Solution

The fourth proportional to 78,814,307.68, 108,781,878 and 46,229,757.28 is: 63,807,701.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,814,307.68 : 108,781,878 = 46,229,757.28 : x
  2. Step 2: Convert to fraction form
    78,814,307.68/108,781,878 = 46,229,757.28/x
  3. Step 3: Cross multiply
    78,814,307.68x = 108,781,878 × 46,229,757.28
  4. Step 4: Simplify right side
    78,814,307.68x = 5,028,959,816,402,572
  5. Step 5: Solve for x
    x = 5,028,959,816,402,572/78,814,307.68
  6. Step 6: Final answer
    x = 63,807,701.47

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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.