Home / 113,784,146.78-157,022,536.77-61,573,177.71

Finding the Fourth Proportional to 113,784,146.78, 157,022,536.77 and 61,573,177.71

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Solution

The fourth proportional to 113,784,146.78, 157,022,536.77 and 61,573,177.71 is: 84,971,209.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,784,146.78 : 157,022,536.77 = 61,573,177.71 : x
  2. Step 2: Convert to fraction form
    113,784,146.78/157,022,536.77 = 61,573,177.71/x
  3. Step 3: Cross multiply
    113,784,146.78x = 157,022,536.77 × 61,573,177.71
  4. Step 4: Simplify right side
    113,784,146.78x = 9,668,376,561,014,220
  5. Step 5: Solve for x
    x = 9,668,376,561,014,220/113,784,146.78
  6. Step 6: Final answer
    x = 84,971,209.39

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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.