Home / 329,616,089.40-494,502,866.10-99,587,429.40

Finding the Fourth Proportional to 329,616,089.40, 494,502,866.10 and 99,587,429.40

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Solution

The fourth proportional to 329,616,089.40, 494,502,866.10 and 99,587,429.40 is: 149,404,931.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,616,089.40 : 494,502,866.10 = 99,587,429.40 : x
  2. Step 2: Convert to fraction form
    329,616,089.40/494,502,866.10 = 99,587,429.40/x
  3. Step 3: Cross multiply
    329,616,089.40x = 494,502,866.10 × 99,587,429.40
  4. Step 4: Simplify right side
    329,616,089.40x = 49,246,269,265,831,408
  5. Step 5: Solve for x
    x = 49,246,269,265,831,408/329,616,089.40
  6. Step 6: Final answer
    x = 149,404,931.52

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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.