Home / 290,668,820.14-401,114,031.24-165,234,718.18

Finding the Fourth Proportional to 290,668,820.14, 401,114,031.24 and 165,234,718.18

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Solution

The fourth proportional to 290,668,820.14, 401,114,031.24 and 165,234,718.18 is: 228,018,828.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,668,820.14 : 401,114,031.24 = 165,234,718.18 : x
  2. Step 2: Convert to fraction form
    290,668,820.14/401,114,031.24 = 165,234,718.18/x
  3. Step 3: Cross multiply
    290,668,820.14x = 401,114,031.24 × 165,234,718.18
  4. Step 4: Simplify right side
    290,668,820.14x = 66,277,963,909,985,120
  5. Step 5: Solve for x
    x = 66,277,963,909,985,120/290,668,820.14
  6. Step 6: Final answer
    x = 228,018,828.71

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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.