Home / 102,706,812.25-154,060,209.02-45,199,083.40

Finding the Fourth Proportional to 102,706,812.25, 154,060,209.02 and 45,199,083.40

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Solution

The fourth proportional to 102,706,812.25, 154,060,209.02 and 45,199,083.40 is: 67,798,620.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,706,812.25 : 154,060,209.02 = 45,199,083.40 : x
  2. Step 2: Convert to fraction form
    102,706,812.25/154,060,209.02 = 45,199,083.40/x
  3. Step 3: Cross multiply
    102,706,812.25x = 154,060,209.02 × 45,199,083.40
  4. Step 4: Simplify right side
    102,706,812.25x = 6,963,380,235,120,116
  5. Step 5: Solve for x
    x = 6,963,380,235,120,116/102,706,812.25
  6. Step 6: Final answer
    x = 67,798,620.98

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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.