Home / 65,302,656.81-97,968,156.99-19,863,270.33

Finding the Fourth Proportional to 65,302,656.81, 97,968,156.99 and 19,863,270.33

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Solution

The fourth proportional to 65,302,656.81, 97,968,156.99 and 19,863,270.33 is: 29,799,216.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,302,656.81 : 97,968,156.99 = 19,863,270.33 : x
  2. Step 2: Convert to fraction form
    65,302,656.81/97,968,156.99 = 19,863,270.33/x
  3. Step 3: Cross multiply
    65,302,656.81x = 97,968,156.99 × 19,863,270.33
  4. Step 4: Simplify right side
    65,302,656.81x = 1,945,967,986,024,248.75
  5. Step 5: Solve for x
    x = 1,945,967,986,024,248.75/65,302,656.81
  6. Step 6: Final answer
    x = 29,799,216.16

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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.