Home / 124,650,756.42-187,826,966.37-102,429,436.74

Finding the Fourth Proportional to 124,650,756.42, 187,826,966.37 and 102,429,436.74

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Solution

The fourth proportional to 124,650,756.42, 187,826,966.37 and 102,429,436.74 is: 154,343,310.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,650,756.42 : 187,826,966.37 = 102,429,436.74 : x
  2. Step 2: Convert to fraction form
    124,650,756.42/187,826,966.37 = 102,429,436.74/x
  3. Step 3: Cross multiply
    124,650,756.42x = 187,826,966.37 × 102,429,436.74
  4. Step 4: Simplify right side
    124,650,756.42x = 19,239,010,369,862,020
  5. Step 5: Solve for x
    x = 19,239,010,369,862,020/124,650,756.42
  6. Step 6: Final answer
    x = 154,343,310.24

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.