Home / 78,733,444.50-108,655,302.78-43,929,176.58

Finding the Fourth Proportional to 78,733,444.50, 108,655,302.78 and 43,929,176.58

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Solution

The fourth proportional to 78,733,444.50, 108,655,302.78 and 43,929,176.58 is: 60,624,020.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,733,444.50 : 108,655,302.78 = 43,929,176.58 : x
  2. Step 2: Convert to fraction form
    78,733,444.50/108,655,302.78 = 43,929,176.58/x
  3. Step 3: Cross multiply
    78,733,444.50x = 108,655,302.78 × 43,929,176.58
  4. Step 4: Simplify right side
    78,733,444.50x = 4,773,137,982,175,985
  5. Step 5: Solve for x
    x = 4,773,137,982,175,985/78,733,444.50
  6. Step 6: Final answer
    x = 60,624,020.87

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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.