Home / 146,614,718.48-202,316,512.20-84,739,064.72

Finding the Fourth Proportional to 146,614,718.48, 202,316,512.20 and 84,739,064.72

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Solution

The fourth proportional to 146,614,718.48, 202,316,512.20 and 84,739,064.72 is: 116,933,089.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,614,718.48 : 202,316,512.20 = 84,739,064.72 : x
  2. Step 2: Convert to fraction form
    146,614,718.48/202,316,512.20 = 84,739,064.72/x
  3. Step 3: Cross multiply
    146,614,718.48x = 202,316,512.20 × 84,739,064.72
  4. Step 4: Simplify right side
    146,614,718.48x = 17,144,112,021,240,468
  5. Step 5: Solve for x
    x = 17,144,112,021,240,468/146,614,718.48
  6. Step 6: Final answer
    x = 116,933,089.66

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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.