Home / 161,614,018.79-242,421,031.41-38,792,336.23

Finding the Fourth Proportional to 161,614,018.79, 242,421,031.41 and 38,792,336.23

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Solution

The fourth proportional to 161,614,018.79, 242,421,031.41 and 38,792,336.23 is: 58,188,505.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,614,018.79 : 242,421,031.41 = 38,792,336.23 : x
  2. Step 2: Convert to fraction form
    161,614,018.79/242,421,031.41 = 38,792,336.23/x
  3. Step 3: Cross multiply
    161,614,018.79x = 242,421,031.41 × 38,792,336.23
  4. Step 4: Simplify right side
    161,614,018.79x = 9,404,078,159,837,666
  5. Step 5: Solve for x
    x = 9,404,078,159,837,666/161,614,018.79
  6. Step 6: Final answer
    x = 58,188,505.12

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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.