Home / 228,047,666.20-342,071,499.30-199,349,852.20

Finding the Fourth Proportional to 228,047,666.20, 342,071,499.30 and 199,349,852.20

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Solution

The fourth proportional to 228,047,666.20, 342,071,499.30 and 199,349,852.20 is: 299,024,778.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,047,666.20 : 342,071,499.30 = 199,349,852.20 : x
  2. Step 2: Convert to fraction form
    228,047,666.20/342,071,499.30 = 199,349,852.20/x
  3. Step 3: Cross multiply
    228,047,666.20x = 342,071,499.30 × 199,349,852.20
  4. Step 4: Simplify right side
    228,047,666.20x = 68,191,902,827,287,400
  5. Step 5: Solve for x
    x = 68,191,902,827,287,400/228,047,666.20
  6. Step 6: Final answer
    x = 299,024,778.30

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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.