Home / 47,821,550,509.90-71,742,400,144.50-15,512,871,758.34

Finding the Fourth Proportional to 47,821,550,509.90, 71,742,400,144.50 and 15,512,871,758.34

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Solution

The fourth proportional to 47,821,550,509.90, 71,742,400,144.50 and 15,512,871,758.34 is: 23,272,575,673.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,821,550,509.90 : 71,742,400,144.50 = 15,512,871,758.34 : x
  2. Step 2: Convert to fraction form
    47,821,550,509.90/71,742,400,144.50 = 15,512,871,758.34/x
  3. Step 3: Cross multiply
    47,821,550,509.90x = 71,742,400,144.50 × 15,512,871,758.34
  4. Step 4: Simplify right side
    47,821,550,509.90x = 1,112,930,653,077,350,907,904
  5. Step 5: Solve for x
    x = 1,112,930,653,077,350,907,904/47,821,550,509.90
  6. Step 6: Final answer
    x = 23,272,575,673.74

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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.