Home / 265,763,143.80-398,644,715.70-149,058,700.20

Finding the Fourth Proportional to 265,763,143.80, 398,644,715.70 and 149,058,700.20

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Solution

The fourth proportional to 265,763,143.80, 398,644,715.70 and 149,058,700.20 is: 223,588,050.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,763,143.80 : 398,644,715.70 = 149,058,700.20 : x
  2. Step 2: Convert to fraction form
    265,763,143.80/398,644,715.70 = 149,058,700.20/x
  3. Step 3: Cross multiply
    265,763,143.80x = 398,644,715.70 × 149,058,700.20
  4. Step 4: Simplify right side
    265,763,143.80x = 59,421,463,163,840,528
  5. Step 5: Solve for x
    x = 59,421,463,163,840,528/265,763,143.80
  6. Step 6: Final answer
    x = 223,588,050.30

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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.