Home / 78,977,716.47-118,369,547.71-44,361,352.22

Finding the Fourth Proportional to 78,977,716.47, 118,369,547.71 and 44,361,352.22

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Solution

The fourth proportional to 78,977,716.47, 118,369,547.71 and 44,361,352.22 is: 66,487,528.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,977,716.47 : 118,369,547.71 = 44,361,352.22 : x
  2. Step 2: Convert to fraction form
    78,977,716.47/118,369,547.71 = 44,361,352.22/x
  3. Step 3: Cross multiply
    78,977,716.47x = 118,369,547.71 × 44,361,352.22
  4. Step 4: Simplify right side
    78,977,716.47x = 5,251,033,197,382,654
  5. Step 5: Solve for x
    x = 5,251,033,197,382,654/78,977,716.47
  6. Step 6: Final answer
    x = 66,487,528.79

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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.