Home / 81,523,159.02-112,459,080.11-48,459,890.52

Finding the Fourth Proportional to 81,523,159.02, 112,459,080.11 and 48,459,890.52

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Solution

The fourth proportional to 81,523,159.02, 112,459,080.11 and 48,459,890.52 is: 66,849,160.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,523,159.02 : 112,459,080.11 = 48,459,890.52 : x
  2. Step 2: Convert to fraction form
    81,523,159.02/112,459,080.11 = 48,459,890.52/x
  3. Step 3: Cross multiply
    81,523,159.02x = 112,459,080.11 × 48,459,890.52
  4. Step 4: Simplify right side
    81,523,159.02x = 5,449,754,709,868,211
  5. Step 5: Solve for x
    x = 5,449,754,709,868,211/81,523,159.02
  6. Step 6: Final answer
    x = 66,849,160.11

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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.