Home / 212,748,492.95-319,132,297.82-65,185,242.02

Finding the Fourth Proportional to 212,748,492.95, 319,132,297.82 and 65,185,242.02

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Solution

The fourth proportional to 212,748,492.95, 319,132,297.82 and 65,185,242.02 is: 97,780,791.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,748,492.95 : 319,132,297.82 = 65,185,242.02 : x
  2. Step 2: Convert to fraction form
    212,748,492.95/319,132,297.82 = 65,185,242.02/x
  3. Step 3: Cross multiply
    212,748,492.95x = 319,132,297.82 × 65,185,242.02
  4. Step 4: Simplify right side
    212,748,492.95x = 20,802,716,068,362,720
  5. Step 5: Solve for x
    x = 20,802,716,068,362,720/212,748,492.95
  6. Step 6: Final answer
    x = 97,780,791.68

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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.