Home / 43,785,145.80-65,677,718.70-21,068,339.40

Finding the Fourth Proportional to 43,785,145.80, 65,677,718.70 and 21,068,339.40

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Solution

The fourth proportional to 43,785,145.80, 65,677,718.70 and 21,068,339.40 is: 31,602,509.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,785,145.80 : 65,677,718.70 = 21,068,339.40 : x
  2. Step 2: Convert to fraction form
    43,785,145.80/65,677,718.70 = 21,068,339.40/x
  3. Step 3: Cross multiply
    43,785,145.80x = 65,677,718.70 × 21,068,339.40
  4. Step 4: Simplify right side
    43,785,145.80x = 1,383,720,468,589,326.75
  5. Step 5: Solve for x
    x = 1,383,720,468,589,326.75/43,785,145.80
  6. Step 6: Final answer
    x = 31,602,509.10

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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.