Home / 121,611,158.16-167,826,113.64-69,399,154.32

Finding the Fourth Proportional to 121,611,158.16, 167,826,113.64 and 69,399,154.32

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Solution

The fourth proportional to 121,611,158.16, 167,826,113.64 and 69,399,154.32 is: 95,772,382.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,611,158.16 : 167,826,113.64 = 69,399,154.32 : x
  2. Step 2: Convert to fraction form
    121,611,158.16/167,826,113.64 = 69,399,154.32/x
  3. Step 3: Cross multiply
    121,611,158.16x = 167,826,113.64 × 69,399,154.32
  4. Step 4: Simplify right side
    121,611,158.16x = 11,646,990,359,428,214
  5. Step 5: Solve for x
    x = 11,646,990,359,428,214/121,611,158.16
  6. Step 6: Final answer
    x = 95,772,382.53

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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.