Home / 201,584,985.90-302,433,466.05-86,624,601.90

Finding the Fourth Proportional to 201,584,985.90, 302,433,466.05 and 86,624,601.90

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Solution

The fourth proportional to 201,584,985.90, 302,433,466.05 and 86,624,601.90 is: 129,960,961.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,584,985.90 : 302,433,466.05 = 86,624,601.90 : x
  2. Step 2: Convert to fraction form
    201,584,985.90/302,433,466.05 = 86,624,601.90/x
  3. Step 3: Cross multiply
    201,584,985.90x = 302,433,466.05 × 86,624,601.90
  4. Step 4: Simplify right side
    201,584,985.90x = 26,198,178,597,818,420
  5. Step 5: Solve for x
    x = 26,198,178,597,818,420/201,584,985.90
  6. Step 6: Final answer
    x = 129,960,961.53

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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.