Home / 43,143,602.40-64,706,072.40-18,882,482.40

Finding the Fourth Proportional to 43,143,602.40, 64,706,072.40 and 18,882,482.40

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Solution

The fourth proportional to 43,143,602.40, 64,706,072.40 and 18,882,482.40 is: 28,319,639.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,143,602.40 : 64,706,072.40 = 18,882,482.40 : x
  2. Step 2: Convert to fraction form
    43,143,602.40/64,706,072.40 = 18,882,482.40/x
  3. Step 3: Cross multiply
    43,143,602.40x = 64,706,072.40 × 18,882,482.40
  4. Step 4: Simplify right side
    43,143,602.40x = 1,221,811,273,266,125.75
  5. Step 5: Solve for x
    x = 1,221,811,273,266,125.75/43,143,602.40
  6. Step 6: Final answer
    x = 28,319,639.65

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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.