Home / 78,878,397.35-108,857,824.38-43,595,443.49

Finding the Fourth Proportional to 78,878,397.35, 108,857,824.38 and 43,595,443.49

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Solution

The fourth proportional to 78,878,397.35, 108,857,824.38 and 43,595,443.49 is: 60,164,827.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,878,397.35 : 108,857,824.38 = 43,595,443.49 : x
  2. Step 2: Convert to fraction form
    78,878,397.35/108,857,824.38 = 43,595,443.49/x
  3. Step 3: Cross multiply
    78,878,397.35x = 108,857,824.38 × 43,595,443.49
  4. Step 4: Simplify right side
    78,878,397.35x = 4,745,705,130,658,345
  5. Step 5: Solve for x
    x = 4,745,705,130,658,345/78,878,397.35
  6. Step 6: Final answer
    x = 60,164,827.00

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.