Home / 149,537,868.90-224,537,750.55-81,513,420.90

Finding the Fourth Proportional to 149,537,868.90, 224,537,750.55 and 81,513,420.90

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Solution

The fourth proportional to 149,537,868.90, 224,537,750.55 and 81,513,420.90 is: 122,396,021.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,537,868.90 : 224,537,750.55 = 81,513,420.90 : x
  2. Step 2: Convert to fraction form
    149,537,868.90/224,537,750.55 = 81,513,420.90/x
  3. Step 3: Cross multiply
    149,537,868.90x = 224,537,750.55 × 81,513,420.90
  4. Step 4: Simplify right side
    149,537,868.90x = 18,302,840,168,521,360
  5. Step 5: Solve for x
    x = 18,302,840,168,521,360/149,537,868.90
  6. Step 6: Final answer
    x = 122,396,021.18

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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.