Home / 43,308,742.26-64,941,855.72-21,423,835.80

Finding the Fourth Proportional to 43,308,742.26, 64,941,855.72 and 21,423,835.80

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Solution

The fourth proportional to 43,308,742.26, 64,941,855.72 and 21,423,835.80 is: 32,125,238.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,308,742.26 : 64,941,855.72 = 21,423,835.80 : x
  2. Step 2: Convert to fraction form
    43,308,742.26/64,941,855.72 = 21,423,835.80/x
  3. Step 3: Cross multiply
    43,308,742.26x = 64,941,855.72 × 21,423,835.80
  4. Step 4: Simplify right side
    43,308,742.26x = 1,391,303,653,492,570.75
  5. Step 5: Solve for x
    x = 1,391,303,653,492,570.75/43,308,742.26
  6. Step 6: Final answer
    x = 32,125,238.02

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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.