Home / 63,619,564.68-95,426,681.58-20,487,813.12

Finding the Fourth Proportional to 63,619,564.68, 95,426,681.58 and 20,487,813.12

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Solution

The fourth proportional to 63,619,564.68, 95,426,681.58 and 20,487,813.12 is: 30,730,861.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,619,564.68 : 95,426,681.58 = 20,487,813.12 : x
  2. Step 2: Convert to fraction form
    63,619,564.68/95,426,681.58 = 20,487,813.12/x
  3. Step 3: Cross multiply
    63,619,564.68x = 95,426,681.58 × 20,487,813.12
  4. Step 4: Simplify right side
    63,619,564.68x = 1,955,084,018,872,786.50
  5. Step 5: Solve for x
    x = 1,955,084,018,872,786.50/63,619,564.68
  6. Step 6: Final answer
    x = 30,730,861.31

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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.