Home / 188,941,128.30-283,411,692.45-79,889,435.10

Finding the Fourth Proportional to 188,941,128.30, 283,411,692.45 and 79,889,435.10

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Solution

The fourth proportional to 188,941,128.30, 283,411,692.45 and 79,889,435.10 is: 119,834,152.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,941,128.30 : 283,411,692.45 = 79,889,435.10 : x
  2. Step 2: Convert to fraction form
    188,941,128.30/283,411,692.45 = 79,889,435.10/x
  3. Step 3: Cross multiply
    188,941,128.30x = 283,411,692.45 × 79,889,435.10
  4. Step 4: Simplify right side
    188,941,128.30x = 22,641,600,010,565,432
  5. Step 5: Solve for x
    x = 22,641,600,010,565,432/188,941,128.30
  6. Step 6: Final answer
    x = 119,834,152.65

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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.