Home / 72,579,443,619.20-108,869,165,428.80-57,886,162,851.20

Finding the Fourth Proportional to 72,579,443,619.20, 108,869,165,428.80 and 57,886,162,851.20

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Solution

The fourth proportional to 72,579,443,619.20, 108,869,165,428.80 and 57,886,162,851.20 is: 86,829,244,276.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,579,443,619.20 : 108,869,165,428.80 = 57,886,162,851.20 : x
  2. Step 2: Convert to fraction form
    72,579,443,619.20/108,869,165,428.80 = 57,886,162,851.20/x
  3. Step 3: Cross multiply
    72,579,443,619.20x = 108,869,165,428.80 × 57,886,162,851.20
  4. Step 4: Simplify right side
    72,579,443,619.20x = 6,302,018,239,485,749,231,616
  5. Step 5: Solve for x
    x = 6,302,018,239,485,749,231,616/72,579,443,619.20
  6. Step 6: Final answer
    x = 86,829,244,276.80

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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.