Home / 189,280,931.10-283,900,401.45-155,142,735.90

Finding the Fourth Proportional to 189,280,931.10, 283,900,401.45 and 155,142,735.90

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Solution

The fourth proportional to 189,280,931.10, 283,900,401.45 and 155,142,735.90 is: 232,696,895.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,280,931.10 : 283,900,401.45 = 155,142,735.90 : x
  2. Step 2: Convert to fraction form
    189,280,931.10/283,900,401.45 = 155,142,735.90/x
  3. Step 3: Cross multiply
    189,280,931.10x = 283,900,401.45 × 155,142,735.90
  4. Step 4: Simplify right side
    189,280,931.10x = 44,045,085,004,061,328
  5. Step 5: Solve for x
    x = 44,045,085,004,061,328/189,280,931.10
  6. Step 6: Final answer
    x = 232,696,895.29

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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.