Home / 114,849,782.72-158,487,108-68,439,003.20

Finding the Fourth Proportional to 114,849,782.72, 158,487,108 and 68,439,003.20

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Solution

The fourth proportional to 114,849,782.72, 158,487,108 and 68,439,003.20 is: 94,442,492.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,849,782.72 : 158,487,108 = 68,439,003.20 : x
  2. Step 2: Convert to fraction form
    114,849,782.72/158,487,108 = 68,439,003.20/x
  3. Step 3: Cross multiply
    114,849,782.72x = 158,487,108 × 68,439,003.20
  4. Step 4: Simplify right side
    114,849,782.72x = 10,846,699,691,570,746
  5. Step 5: Solve for x
    x = 10,846,699,691,570,746/114,849,782.72
  6. Step 6: Final answer
    x = 94,442,492.05

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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.