Home / 145,729,808.68-218,460,192.52-72,883,199.56

Finding the Fourth Proportional to 145,729,808.68, 218,460,192.52 and 72,883,199.56

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Solution

The fourth proportional to 145,729,808.68, 218,460,192.52 and 72,883,199.56 is: 109,257,522.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,729,808.68 : 218,460,192.52 = 72,883,199.56 : x
  2. Step 2: Convert to fraction form
    145,729,808.68/218,460,192.52 = 72,883,199.56/x
  3. Step 3: Cross multiply
    145,729,808.68x = 218,460,192.52 × 72,883,199.56
  4. Step 4: Simplify right side
    145,729,808.68x = 15,922,077,807,351,180
  5. Step 5: Solve for x
    x = 15,922,077,807,351,180/145,729,808.68
  6. Step 6: Final answer
    x = 109,257,522.20

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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.