Home / 201,468,328.80-302,202,493.20-65,167,490.40

Finding the Fourth Proportional to 201,468,328.80, 302,202,493.20 and 65,167,490.40

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Solution

The fourth proportional to 201,468,328.80, 302,202,493.20 and 65,167,490.40 is: 97,751,235.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,468,328.80 : 302,202,493.20 = 65,167,490.40 : x
  2. Step 2: Convert to fraction form
    201,468,328.80/302,202,493.20 = 65,167,490.40/x
  3. Step 3: Cross multiply
    201,468,328.80x = 302,202,493.20 × 65,167,490.40
  4. Step 4: Simplify right side
    201,468,328.80x = 19,693,778,074,467,064
  5. Step 5: Solve for x
    x = 19,693,778,074,467,064/201,468,328.80
  6. Step 6: Final answer
    x = 97,751,235.60

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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.