Home / 92,895,534.44-128,006,941.79-71,859,826.16

Finding the Fourth Proportional to 92,895,534.44, 128,006,941.79 and 71,859,826.16

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Solution

The fourth proportional to 92,895,534.44, 128,006,941.79 and 71,859,826.16 is: 99,020,438.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,895,534.44 : 128,006,941.79 = 71,859,826.16 : x
  2. Step 2: Convert to fraction form
    92,895,534.44/128,006,941.79 = 71,859,826.16/x
  3. Step 3: Cross multiply
    92,895,534.44x = 128,006,941.79 × 71,859,826.16
  4. Step 4: Simplify right side
    92,895,534.44x = 9,198,556,583,943,340
  5. Step 5: Solve for x
    x = 9,198,556,583,943,340/92,895,534.44
  6. Step 6: Final answer
    x = 99,020,438.81

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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.