Home / 202,397,402.79-303,596,147.93-73,005,002.15

Finding the Fourth Proportional to 202,397,402.79, 303,596,147.93 and 73,005,002.15

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Solution

The fourth proportional to 202,397,402.79, 303,596,147.93 and 73,005,002.15 is: 109,507,518.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,397,402.79 : 303,596,147.93 = 73,005,002.15 : x
  2. Step 2: Convert to fraction form
    202,397,402.79/303,596,147.93 = 73,005,002.15/x
  3. Step 3: Cross multiply
    202,397,402.79x = 303,596,147.93 × 73,005,002.15
  4. Step 4: Simplify right side
    202,397,402.79x = 22,164,037,430,478,360
  5. Step 5: Solve for x
    x = 22,164,037,430,478,360/202,397,402.79
  6. Step 6: Final answer
    x = 109,507,518.99

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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.