Home / 92,761,386.08-128,022,522.56-56,092,219.52

Finding the Fourth Proportional to 92,761,386.08, 128,022,522.56 and 56,092,219.52

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Solution

The fourth proportional to 92,761,386.08, 128,022,522.56 and 56,092,219.52 is: 77,414,404.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,761,386.08 : 128,022,522.56 = 56,092,219.52 : x
  2. Step 2: Convert to fraction form
    92,761,386.08/128,022,522.56 = 56,092,219.52/x
  3. Step 3: Cross multiply
    92,761,386.08x = 128,022,522.56 × 56,092,219.52
  4. Step 4: Simplify right side
    92,761,386.08x = 7,181,067,438,939,673
  5. Step 5: Solve for x
    x = 7,181,067,438,939,673/92,761,386.08
  6. Step 6: Final answer
    x = 77,414,404.23

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1.5x scale

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.