Home / 439,561,931.40-659,342,897.10-112,036,811.40

Finding the Fourth Proportional to 439,561,931.40, 659,342,897.10 and 112,036,811.40

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Solution

The fourth proportional to 439,561,931.40, 659,342,897.10 and 112,036,811.40 is: 168,055,217.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,561,931.40 : 659,342,897.10 = 112,036,811.40 : x
  2. Step 2: Convert to fraction form
    439,561,931.40/659,342,897.10 = 112,036,811.40/x
  3. Step 3: Cross multiply
    439,561,931.40x = 659,342,897.10 × 112,036,811.40
  4. Step 4: Simplify right side
    439,561,931.40x = 73,870,675,810,322,320
  5. Step 5: Solve for x
    x = 73,870,675,810,322,320/439,561,931.40
  6. Step 6: Final answer
    x = 168,055,217.10

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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.