Home / 145,004,803.20-217,507,204.80-87,673,910.40

Finding the Fourth Proportional to 145,004,803.20, 217,507,204.80 and 87,673,910.40

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Solution

The fourth proportional to 145,004,803.20, 217,507,204.80 and 87,673,910.40 is: 131,510,865.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,004,803.20 : 217,507,204.80 = 87,673,910.40 : x
  2. Step 2: Convert to fraction form
    145,004,803.20/217,507,204.80 = 87,673,910.40/x
  3. Step 3: Cross multiply
    145,004,803.20x = 217,507,204.80 × 87,673,910.40
  4. Step 4: Simplify right side
    145,004,803.20x = 19,069,707,184,989,652
  5. Step 5: Solve for x
    x = 19,069,707,184,989,652/145,004,803.20
  6. Step 6: Final answer
    x = 131,510,865.60

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1.5x scale

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.