Home / 201,480,017.80-302,220,026.70-157,642,040.20

Finding the Fourth Proportional to 201,480,017.80, 302,220,026.70 and 157,642,040.20

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Solution

The fourth proportional to 201,480,017.80, 302,220,026.70 and 157,642,040.20 is: 236,463,060.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,480,017.80 : 302,220,026.70 = 157,642,040.20 : x
  2. Step 2: Convert to fraction form
    201,480,017.80/302,220,026.70 = 157,642,040.20/x
  3. Step 3: Cross multiply
    201,480,017.80x = 302,220,026.70 × 157,642,040.20
  4. Step 4: Simplify right side
    201,480,017.80x = 47,642,581,598,286,464
  5. Step 5: Solve for x
    x = 47,642,581,598,286,464/201,480,017.80
  6. Step 6: Final answer
    x = 236,463,060.30

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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.