Home / 67,006,020.60-100,509,030.90-28,671,409.80

Finding the Fourth Proportional to 67,006,020.60, 100,509,030.90 and 28,671,409.80

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Solution

The fourth proportional to 67,006,020.60, 100,509,030.90 and 28,671,409.80 is: 43,007,114.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,006,020.60 : 100,509,030.90 = 28,671,409.80 : x
  2. Step 2: Convert to fraction form
    67,006,020.60/100,509,030.90 = 28,671,409.80/x
  3. Step 3: Cross multiply
    67,006,020.60x = 100,509,030.90 × 28,671,409.80
  4. Step 4: Simplify right side
    67,006,020.60x = 2,881,735,613,534,763
  5. Step 5: Solve for x
    x = 2,881,735,613,534,763/67,006,020.60
  6. Step 6: Final answer
    x = 43,007,114.70

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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.