Home / 67,006,053.10-100,509,079.65-28,671,442.30

Finding the Fourth Proportional to 67,006,053.10, 100,509,079.65 and 28,671,442.30

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Solution

The fourth proportional to 67,006,053.10, 100,509,079.65 and 28,671,442.30 is: 43,007,163.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,006,053.10 : 100,509,079.65 = 28,671,442.30 : x
  2. Step 2: Convert to fraction form
    67,006,053.10/100,509,079.65 = 28,671,442.30/x
  3. Step 3: Cross multiply
    67,006,053.10x = 100,509,079.65 × 28,671,442.30
  4. Step 4: Simplify right side
    67,006,053.10x = 2,881,740,277,811,079.50
  5. Step 5: Solve for x
    x = 2,881,740,277,811,079.50/67,006,053.10
  6. Step 6: Final answer
    x = 43,007,163.45

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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.