Home / 53,923,709.40-80,885,564.10-45,314,365.20

Finding the Fourth Proportional to 53,923,709.40, 80,885,564.10 and 45,314,365.20

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Solution

The fourth proportional to 53,923,709.40, 80,885,564.10 and 45,314,365.20 is: 67,971,547.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,923,709.40 : 80,885,564.10 = 45,314,365.20 : x
  2. Step 2: Convert to fraction form
    53,923,709.40/80,885,564.10 = 45,314,365.20/x
  3. Step 3: Cross multiply
    53,923,709.40x = 80,885,564.10 × 45,314,365.20
  4. Step 4: Simplify right side
    53,923,709.40x = 3,665,277,991,035,409.50
  5. Step 5: Solve for x
    x = 3,665,277,991,035,409.50/53,923,709.40
  6. Step 6: Final answer
    x = 67,971,547.80

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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.