Home / 145,174,419.54-200,340,590.13-79,984,323.54

Finding the Fourth Proportional to 145,174,419.54, 200,340,590.13 and 79,984,323.54

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Solution

The fourth proportional to 145,174,419.54, 200,340,590.13 and 79,984,323.54 is: 110,378,306.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,174,419.54 : 200,340,590.13 = 79,984,323.54 : x
  2. Step 2: Convert to fraction form
    145,174,419.54/200,340,590.13 = 79,984,323.54/x
  3. Step 3: Cross multiply
    145,174,419.54x = 200,340,590.13 × 79,984,323.54
  4. Step 4: Simplify right side
    145,174,419.54x = 16,024,106,579,152,452
  5. Step 5: Solve for x
    x = 16,024,106,579,152,452/145,174,419.54
  6. Step 6: Final answer
    x = 110,378,306.52

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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.