Home / 101,920,277.56-140,641,343.30-57,262,753.32

Finding the Fourth Proportional to 101,920,277.56, 140,641,343.30 and 57,262,753.32

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Solution

The fourth proportional to 101,920,277.56, 140,641,343.30 and 57,262,753.32 is: 79,017,745.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,920,277.56 : 140,641,343.30 = 57,262,753.32 : x
  2. Step 2: Convert to fraction form
    101,920,277.56/140,641,343.30 = 57,262,753.32/x
  3. Step 3: Cross multiply
    101,920,277.56x = 140,641,343.30 × 57,262,753.32
  4. Step 4: Simplify right side
    101,920,277.56x = 8,053,510,547,981,335
  5. Step 5: Solve for x
    x = 8,053,510,547,981,335/101,920,277.56
  6. Step 6: Final answer
    x = 79,017,745.45

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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.