Home / 145,156,722.60-217,735,083.90-130,823,999.40

Finding the Fourth Proportional to 145,156,722.60, 217,735,083.90 and 130,823,999.40

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Solution

The fourth proportional to 145,156,722.60, 217,735,083.90 and 130,823,999.40 is: 196,235,999.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,156,722.60 : 217,735,083.90 = 130,823,999.40 : x
  2. Step 2: Convert to fraction form
    145,156,722.60/217,735,083.90 = 130,823,999.40/x
  3. Step 3: Cross multiply
    145,156,722.60x = 217,735,083.90 × 130,823,999.40
  4. Step 4: Simplify right side
    145,156,722.60x = 28,484,974,485,492,552
  5. Step 5: Solve for x
    x = 28,484,974,485,492,552/145,156,722.60
  6. Step 6: Final answer
    x = 196,235,999.10

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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.