Home / 157,228,919.40-235,843,379.10-99,549,856.20

Finding the Fourth Proportional to 157,228,919.40, 235,843,379.10 and 99,549,856.20

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Solution

The fourth proportional to 157,228,919.40, 235,843,379.10 and 99,549,856.20 is: 149,324,784.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,228,919.40 : 235,843,379.10 = 99,549,856.20 : x
  2. Step 2: Convert to fraction form
    157,228,919.40/235,843,379.10 = 99,549,856.20/x
  3. Step 3: Cross multiply
    157,228,919.40x = 235,843,379.10 × 99,549,856.20
  4. Step 4: Simplify right side
    157,228,919.40x = 23,478,174,475,127,084
  5. Step 5: Solve for x
    x = 23,478,174,475,127,084/157,228,919.40
  6. Step 6: Final answer
    x = 149,324,784.30

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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.