Home / 100,210,008.40-150,329,009.40-42,701,822.80

Finding the Fourth Proportional to 100,210,008.40, 150,329,009.40 and 42,701,822.80

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Solution

The fourth proportional to 100,210,008.40, 150,329,009.40 and 42,701,822.80 is: 64,058,698.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,210,008.40 : 150,329,009.40 = 42,701,822.80 : x
  2. Step 2: Convert to fraction form
    100,210,008.40/150,329,009.40 = 42,701,822.80/x
  3. Step 3: Cross multiply
    100,210,008.40x = 150,329,009.40 × 42,701,822.80
  4. Step 4: Simplify right side
    100,210,008.40x = 6,419,322,721,098,334
  5. Step 5: Solve for x
    x = 6,419,322,721,098,334/100,210,008.40
  6. Step 6: Final answer
    x = 64,058,698.56

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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.