Home / 400,147,055.54-600,209,385.87-127,534,181.30

Finding the Fourth Proportional to 400,147,055.54, 600,209,385.87 and 127,534,181.30

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Solution

The fourth proportional to 400,147,055.54, 600,209,385.87 and 127,534,181.30 is: 191,297,703.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,147,055.54 : 600,209,385.87 = 127,534,181.30 : x
  2. Step 2: Convert to fraction form
    400,147,055.54/600,209,385.87 = 127,534,181.30/x
  3. Step 3: Cross multiply
    400,147,055.54x = 600,209,385.87 × 127,534,181.30
  4. Step 4: Simplify right side
    400,147,055.54x = 76,547,212,635,506,240
  5. Step 5: Solve for x
    x = 76,547,212,635,506,240/400,147,055.54
  6. Step 6: Final answer
    x = 191,297,703.12

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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.