Home / 186,416,417.78-257,256,673.87-102,784,710.22

Finding the Fourth Proportional to 186,416,417.78, 257,256,673.87 and 102,784,710.22

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Solution

The fourth proportional to 186,416,417.78, 257,256,673.87 and 102,784,710.22 is: 141,844,012.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,416,417.78 : 257,256,673.87 = 102,784,710.22 : x
  2. Step 2: Convert to fraction form
    186,416,417.78/257,256,673.87 = 102,784,710.22/x
  3. Step 3: Cross multiply
    186,416,417.78x = 257,256,673.87 × 102,784,710.22
  4. Step 4: Simplify right side
    186,416,417.78x = 26,442,052,675,888,996
  5. Step 5: Solve for x
    x = 26,442,052,675,888,996/186,416,417.78
  6. Step 6: Final answer
    x = 141,844,012.40

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1.5x scale

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.