Home / 347,633,718.30-521,520,561.45-101,989,878.30

Finding the Fourth Proportional to 347,633,718.30, 521,520,561.45 and 101,989,878.30

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Solution

The fourth proportional to 347,633,718.30, 521,520,561.45 and 101,989,878.30 is: 153,005,349.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,633,718.30 : 521,520,561.45 = 101,989,878.30 : x
  2. Step 2: Convert to fraction form
    347,633,718.30/521,520,561.45 = 101,989,878.30/x
  3. Step 3: Cross multiply
    347,633,718.30x = 521,520,561.45 × 101,989,878.30
  4. Step 4: Simplify right side
    347,633,718.30x = 53,189,818,593,233,168
  5. Step 5: Solve for x
    x = 53,189,818,593,233,168/347,633,718.30
  6. Step 6: Final answer
    x = 153,005,349.58

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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.