Home / 145,783,862.10-218,675,793.15-107,041,813.20

Finding the Fourth Proportional to 145,783,862.10, 218,675,793.15 and 107,041,813.20

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Solution

The fourth proportional to 145,783,862.10, 218,675,793.15 and 107,041,813.20 is: 160,562,719.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,783,862.10 : 218,675,793.15 = 107,041,813.20 : x
  2. Step 2: Convert to fraction form
    145,783,862.10/218,675,793.15 = 107,041,813.20/x
  3. Step 3: Cross multiply
    145,783,862.10x = 218,675,793.15 × 107,041,813.20
  4. Step 4: Simplify right side
    145,783,862.10x = 23,407,453,401,724,140
  5. Step 5: Solve for x
    x = 23,407,453,401,724,140/145,783,862.10
  6. Step 6: Final answer
    x = 160,562,719.80

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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.