Home / 186,941,613.89-257,989,303.64-112,625,568.78

Finding the Fourth Proportional to 186,941,613.89, 257,989,303.64 and 112,625,568.78

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Solution

The fourth proportional to 186,941,613.89, 257,989,303.64 and 112,625,568.78 is: 155,429,235.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,941,613.89 : 257,989,303.64 = 112,625,568.78 : x
  2. Step 2: Convert to fraction form
    186,941,613.89/257,989,303.64 = 112,625,568.78/x
  3. Step 3: Cross multiply
    186,941,613.89x = 257,989,303.64 × 112,625,568.78
  4. Step 4: Simplify right side
    186,941,613.89x = 29,056,192,061,892,692
  5. Step 5: Solve for x
    x = 29,056,192,061,892,692/186,941,613.89
  6. Step 6: Final answer
    x = 155,429,235.14

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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.