Home / 121,087,206,581.51-181,588,748,517.60-67,386,292,097.04

Finding the Fourth Proportional to 121,087,206,581.51, 181,588,748,517.60 and 67,386,292,097.04

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Solution

The fourth proportional to 121,087,206,581.51, 181,588,748,517.60 and 67,386,292,097.04 is: 101,056,030,563.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,087,206,581.51 : 181,588,748,517.60 = 67,386,292,097.04 : x
  2. Step 2: Convert to fraction form
    121,087,206,581.51/181,588,748,517.60 = 67,386,292,097.04/x
  3. Step 3: Cross multiply
    121,087,206,581.51x = 181,588,748,517.60 × 67,386,292,097.04
  4. Step 4: Simplify right side
    121,087,206,581.51x = 12,236,592,449,142,933,946,368
  5. Step 5: Solve for x
    x = 12,236,592,449,142,933,946,368/121,087,206,581.51
  6. Step 6: Final answer
    x = 101,056,030,563.44

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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.