Home / 79,082,187.90-118,641,169.08-42,689,797.26

Finding the Fourth Proportional to 79,082,187.90, 118,641,169.08 and 42,689,797.26

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Solution

The fourth proportional to 79,082,187.90, 118,641,169.08 and 42,689,797.26 is: 64,044,351.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,082,187.90 : 118,641,169.08 = 42,689,797.26 : x
  2. Step 2: Convert to fraction form
    79,082,187.90/118,641,169.08 = 42,689,797.26/x
  3. Step 3: Cross multiply
    79,082,187.90x = 118,641,169.08 × 42,689,797.26
  4. Step 4: Simplify right side
    79,082,187.90x = 5,064,767,454,714,580
  5. Step 5: Solve for x
    x = 5,064,767,454,714,580/79,082,187.90
  6. Step 6: Final answer
    x = 64,044,351.70

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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.