Home / 161,374,436.80-240,803,008-143,983,101.76

Finding the Fourth Proportional to 161,374,436.80, 240,803,008 and 143,983,101.76

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Solution

The fourth proportional to 161,374,436.80, 240,803,008 and 143,983,101.76 is: 214,851,649.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,374,436.80 : 240,803,008 = 143,983,101.76 : x
  2. Step 2: Convert to fraction form
    161,374,436.80/240,803,008 = 143,983,101.76/x
  3. Step 3: Cross multiply
    161,374,436.80x = 240,803,008 × 143,983,101.76
  4. Step 4: Simplify right side
    161,374,436.80x = 34,671,564,004,978,092
  5. Step 5: Solve for x
    x = 34,671,564,004,978,092/161,374,436.80
  6. Step 6: Final answer
    x = 214,851,649.94

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.