Home / 43,143,913.80-64,715,870.70-14,390,987.40

Finding the Fourth Proportional to 43,143,913.80, 64,715,870.70 and 14,390,987.40

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Solution

The fourth proportional to 43,143,913.80, 64,715,870.70 and 14,390,987.40 is: 21,586,481.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,143,913.80 : 64,715,870.70 = 14,390,987.40 : x
  2. Step 2: Convert to fraction form
    43,143,913.80/64,715,870.70 = 14,390,987.40/x
  3. Step 3: Cross multiply
    43,143,913.80x = 64,715,870.70 × 14,390,987.40
  4. Step 4: Simplify right side
    43,143,913.80x = 931,325,279,823,729.25
  5. Step 5: Solve for x
    x = 931,325,279,823,729.25/43,143,913.80
  6. Step 6: Final answer
    x = 21,586,481.10

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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.