Home / 123,748,518.15-186,363,104.13-112,716,301.14

Finding the Fourth Proportional to 123,748,518.15, 186,363,104.13 and 112,716,301.14

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Solution

The fourth proportional to 123,748,518.15, 186,363,104.13 and 112,716,301.14 is: 169,748,778.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,748,518.15 : 186,363,104.13 = 112,716,301.14 : x
  2. Step 2: Convert to fraction form
    123,748,518.15/186,363,104.13 = 112,716,301.14/x
  3. Step 3: Cross multiply
    123,748,518.15x = 186,363,104.13 × 112,716,301.14
  4. Step 4: Simplify right side
    123,748,518.15x = 21,006,159,766,502,256
  5. Step 5: Solve for x
    x = 21,006,159,766,502,256/123,748,518.15
  6. Step 6: Final answer
    x = 169,748,778.25

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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.