Home / 92,895,566.28-128,006,985.64-71,859,858.04

Finding the Fourth Proportional to 92,895,566.28, 128,006,985.64 and 71,859,858.04

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Solution

The fourth proportional to 92,895,566.28, 128,006,985.64 and 71,859,858.04 is: 99,020,482.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,895,566.28 : 128,006,985.64 = 71,859,858.04 : x
  2. Step 2: Convert to fraction form
    92,895,566.28/128,006,985.64 = 71,859,858.04/x
  3. Step 3: Cross multiply
    92,895,566.28x = 128,006,985.64 × 71,859,858.04
  4. Step 4: Simplify right side
    92,895,566.28x = 9,198,563,816,218,720
  5. Step 5: Solve for x
    x = 9,198,563,816,218,720/92,895,566.28
  6. Step 6: Final answer
    x = 99,020,482.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.