Home / 78,194,946.39-107,878,306.77-44,686,448.61

Finding the Fourth Proportional to 78,194,946.39, 107,878,306.77 and 44,686,448.61

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Solution

The fourth proportional to 78,194,946.39, 107,878,306.77 and 44,686,448.61 is: 61,649,743.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,194,946.39 : 107,878,306.77 = 44,686,448.61 : x
  2. Step 2: Convert to fraction form
    78,194,946.39/107,878,306.77 = 44,686,448.61/x
  3. Step 3: Cross multiply
    78,194,946.39x = 107,878,306.77 × 44,686,448.61
  4. Step 4: Simplify right side
    78,194,946.39x = 4,820,698,411,611,420
  5. Step 5: Solve for x
    x = 4,820,698,411,611,420/78,194,946.39
  6. Step 6: Final answer
    x = 61,649,743.80

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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.