Home / 67,006,020.10-100,509,030.15-28,671,409.30

Finding the Fourth Proportional to 67,006,020.10, 100,509,030.15 and 28,671,409.30

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Solution

The fourth proportional to 67,006,020.10, 100,509,030.15 and 28,671,409.30 is: 43,007,113.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,006,020.10 : 100,509,030.15 = 28,671,409.30 : x
  2. Step 2: Convert to fraction form
    67,006,020.10/100,509,030.15 = 28,671,409.30/x
  3. Step 3: Cross multiply
    67,006,020.10x = 100,509,030.15 × 28,671,409.30
  4. Step 4: Simplify right side
    67,006,020.10x = 2,881,735,541,776,690.50
  5. Step 5: Solve for x
    x = 2,881,735,541,776,690.50/67,006,020.10
  6. Step 6: Final answer
    x = 43,007,113.95

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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.