Home / 71,136,242.85-98,137,955.08-47,622,355.38

Finding the Fourth Proportional to 71,136,242.85, 98,137,955.08 and 47,622,355.38

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Solution

The fourth proportional to 71,136,242.85, 98,137,955.08 and 47,622,355.38 is: 65,698,726.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,136,242.85 : 98,137,955.08 = 47,622,355.38 : x
  2. Step 2: Convert to fraction form
    71,136,242.85/98,137,955.08 = 47,622,355.38/x
  3. Step 3: Cross multiply
    71,136,242.85x = 98,137,955.08 × 47,622,355.38
  4. Step 4: Simplify right side
    71,136,242.85x = 4,673,560,572,877,889
  5. Step 5: Solve for x
    x = 4,673,560,572,877,889/71,136,242.85
  6. Step 6: Final answer
    x = 65,698,726.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.