Home / 240,136,572,492.21-360,192,172,544.68-78,766,723,040.52

Finding the Fourth Proportional to 240,136,572,492.21, 360,192,172,544.68 and 78,766,723,040.52

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Solution

The fourth proportional to 240,136,572,492.21, 360,192,172,544.68 and 78,766,723,040.52 is: 118,145,923,387.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,136,572,492.21 : 360,192,172,544.68 = 78,766,723,040.52 : x
  2. Step 2: Convert to fraction form
    240,136,572,492.21/360,192,172,544.68 = 78,766,723,040.52/x
  3. Step 3: Cross multiply
    240,136,572,492.21x = 360,192,172,544.68 × 78,766,723,040.52
  4. Step 4: Simplify right side
    240,136,572,492.21x = 28,371,157,096,190,001,020,928
  5. Step 5: Solve for x
    x = 28,371,157,096,190,001,020,928/240,136,572,492.21
  6. Step 6: Final answer
    x = 118,145,923,387.45

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1.5x scale

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.