Home / 309,727,781.02-427,429,773.57-168,603,058.90

Finding the Fourth Proportional to 309,727,781.02, 427,429,773.57 and 168,603,058.90

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Solution

The fourth proportional to 309,727,781.02, 427,429,773.57 and 168,603,058.90 is: 232,675,180.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,727,781.02 : 427,429,773.57 = 168,603,058.90 : x
  2. Step 2: Convert to fraction form
    309,727,781.02/427,429,773.57 = 168,603,058.90/x
  3. Step 3: Cross multiply
    309,727,781.02x = 427,429,773.57 × 168,603,058.90
  4. Step 4: Simplify right side
    309,727,781.02x = 72,065,967,288,836,368
  5. Step 5: Solve for x
    x = 72,065,967,288,836,368/309,727,781.02
  6. Step 6: Final answer
    x = 232,675,180.29

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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.