Home / 149,537,797.40-224,537,643.30-81,513,349.40

Finding the Fourth Proportional to 149,537,797.40, 224,537,643.30 and 81,513,349.40

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Solution

The fourth proportional to 149,537,797.40, 224,537,643.30 and 81,513,349.40 is: 122,395,913.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,537,797.40 : 224,537,643.30 = 81,513,349.40 : x
  2. Step 2: Convert to fraction form
    149,537,797.40/224,537,643.30 = 81,513,349.40/x
  3. Step 3: Cross multiply
    149,537,797.40x = 224,537,643.30 × 81,513,349.40
  4. Step 4: Simplify right side
    149,537,797.40x = 18,302,815,371,765,472
  5. Step 5: Solve for x
    x = 18,302,815,371,765,472/149,537,797.40
  6. Step 6: Final answer
    x = 122,395,913.88

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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.