Home / 73,872,030.40-110,808,045.60-20,019,342.40

Finding the Fourth Proportional to 73,872,030.40, 110,808,045.60 and 20,019,342.40

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Solution

The fourth proportional to 73,872,030.40, 110,808,045.60 and 20,019,342.40 is: 30,029,013.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,872,030.40 : 110,808,045.60 = 20,019,342.40 : x
  2. Step 2: Convert to fraction form
    73,872,030.40/110,808,045.60 = 20,019,342.40/x
  3. Step 3: Cross multiply
    73,872,030.40x = 110,808,045.60 × 20,019,342.40
  4. Step 4: Simplify right side
    73,872,030.40x = 2,218,304,205,541,213.25
  5. Step 5: Solve for x
    x = 2,218,304,205,541,213.25/73,872,030.40
  6. Step 6: Final answer
    x = 30,029,013.60

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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.