Home / 81,138,642,541.60-111,954,559,342.80-46,843,754,818

Finding the Fourth Proportional to 81,138,642,541.60, 111,954,559,342.80 and 46,843,754,818

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Solution

The fourth proportional to 81,138,642,541.60, 111,954,559,342.80 and 46,843,754,818 is: 64,634,701,349.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,138,642,541.60 : 111,954,559,342.80 = 46,843,754,818 : x
  2. Step 2: Convert to fraction form
    81,138,642,541.60/111,954,559,342.80 = 46,843,754,818/x
  3. Step 3: Cross multiply
    81,138,642,541.60x = 111,954,559,342.80 × 46,843,754,818
  4. Step 4: Simplify right side
    81,138,642,541.60x = 5,244,371,928,611,354,050,560
  5. Step 5: Solve for x
    x = 5,244,371,928,611,354,050,560/81,138,642,541.60
  6. Step 6: Final answer
    x = 64,634,701,349.88

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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.