Home / 347,798,927.20-521,698,390.80-143,259,023.20

Finding the Fourth Proportional to 347,798,927.20, 521,698,390.80 and 143,259,023.20

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Solution

The fourth proportional to 347,798,927.20, 521,698,390.80 and 143,259,023.20 is: 214,888,534.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,798,927.20 : 521,698,390.80 = 143,259,023.20 : x
  2. Step 2: Convert to fraction form
    347,798,927.20/521,698,390.80 = 143,259,023.20/x
  3. Step 3: Cross multiply
    347,798,927.20x = 521,698,390.80 × 143,259,023.20
  4. Step 4: Simplify right side
    347,798,927.20x = 74,738,001,871,019,856
  5. Step 5: Solve for x
    x = 74,738,001,871,019,856/347,798,927.20
  6. Step 6: Final answer
    x = 214,888,534.80

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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.