Home / 121,064,348.32-167,072,835-66,063,222.88

Finding the Fourth Proportional to 121,064,348.32, 167,072,835 and 66,063,222.88

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Solution

The fourth proportional to 121,064,348.32, 167,072,835 and 66,063,222.88 is: 91,169,449.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,064,348.32 : 167,072,835 = 66,063,222.88 : x
  2. Step 2: Convert to fraction form
    121,064,348.32/167,072,835 = 66,063,222.88/x
  3. Step 3: Cross multiply
    121,064,348.32x = 167,072,835 × 66,063,222.88
  4. Step 4: Simplify right side
    121,064,348.32x = 11,037,369,935,798,466
  5. Step 5: Solve for x
    x = 11,037,369,935,798,466/121,064,348.32
  6. Step 6: Final answer
    x = 91,169,449.05

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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.