Home / 165,048,612.40-247,572,918.60-100,478,530.90

Finding the Fourth Proportional to 165,048,612.40, 247,572,918.60 and 100,478,530.90

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Solution

The fourth proportional to 165,048,612.40, 247,572,918.60 and 100,478,530.90 is: 150,717,796.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,048,612.40 : 247,572,918.60 = 100,478,530.90 : x
  2. Step 2: Convert to fraction form
    165,048,612.40/247,572,918.60 = 100,478,530.90/x
  3. Step 3: Cross multiply
    165,048,612.40x = 247,572,918.60 × 100,478,530.90
  4. Step 4: Simplify right side
    165,048,612.40x = 24,875,763,151,553,284
  5. Step 5: Solve for x
    x = 24,875,763,151,553,284/165,048,612.40
  6. Step 6: Final answer
    x = 150,717,796.35

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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.