Home / 102,706,813.50-154,060,210.89-45,199,084.65

Finding the Fourth Proportional to 102,706,813.50, 154,060,210.89 and 45,199,084.65

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Solution

The fourth proportional to 102,706,813.50, 154,060,210.89 and 45,199,084.65 is: 67,798,622.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,706,813.50 : 154,060,210.89 = 45,199,084.65 : x
  2. Step 2: Convert to fraction form
    102,706,813.50/154,060,210.89 = 45,199,084.65/x
  3. Step 3: Cross multiply
    102,706,813.50x = 154,060,210.89 × 45,199,084.65
  4. Step 4: Simplify right side
    102,706,813.50x = 6,963,380,513,213,961
  5. Step 5: Solve for x
    x = 6,963,380,513,213,961/102,706,813.50
  6. Step 6: Final answer
    x = 67,798,622.86

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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.