Home / 117,636,218.10-176,292,900.18-74,428,072.20

Finding the Fourth Proportional to 117,636,218.10, 176,292,900.18 and 74,428,072.20

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Solution

The fourth proportional to 117,636,218.10, 176,292,900.18 and 74,428,072.20 is: 111,539,973.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,636,218.10 : 176,292,900.18 = 74,428,072.20 : x
  2. Step 2: Convert to fraction form
    117,636,218.10/176,292,900.18 = 74,428,072.20/x
  3. Step 3: Cross multiply
    117,636,218.10x = 176,292,900.18 × 74,428,072.20
  4. Step 4: Simplify right side
    117,636,218.10x = 13,121,140,702,944,434
  5. Step 5: Solve for x
    x = 13,121,140,702,944,434/117,636,218.10
  6. Step 6: Final answer
    x = 111,539,973.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.