Home / 77,047,830.08-106,325,979.86-42,239,773.19

Finding the Fourth Proportional to 77,047,830.08, 106,325,979.86 and 42,239,773.19

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Solution

The fourth proportional to 77,047,830.08, 106,325,979.86 and 42,239,773.19 is: 58,290,872.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,047,830.08 : 106,325,979.86 = 42,239,773.19 : x
  2. Step 2: Convert to fraction form
    77,047,830.08/106,325,979.86 = 42,239,773.19/x
  3. Step 3: Cross multiply
    77,047,830.08x = 106,325,979.86 × 42,239,773.19
  4. Step 4: Simplify right side
    77,047,830.08x = 4,491,185,273,064,877.50
  5. Step 5: Solve for x
    x = 4,491,185,273,064,877.50/77,047,830.08
  6. Step 6: Final answer
    x = 58,290,872.93

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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.