Home / 79,607,890.92-109,863,411.32-47,827,780.58

Finding the Fourth Proportional to 79,607,890.92, 109,863,411.32 and 47,827,780.58

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Solution

The fourth proportional to 79,607,890.92, 109,863,411.32 and 47,827,780.58 is: 66,005,053.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,607,890.92 : 109,863,411.32 = 47,827,780.58 : x
  2. Step 2: Convert to fraction form
    79,607,890.92/109,863,411.32 = 47,827,780.58/x
  3. Step 3: Cross multiply
    79,607,890.92x = 109,863,411.32 × 47,827,780.58
  4. Step 4: Simplify right side
    79,607,890.92x = 5,254,523,130,383,248
  5. Step 5: Solve for x
    x = 5,254,523,130,383,248/79,607,890.92
  6. Step 6: Final answer
    x = 66,005,053.89

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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.