Home / 101,121,283,851.20-139,547,539,942.18-55,394,562,353.84

Finding the Fourth Proportional to 101,121,283,851.20, 139,547,539,942.18 and 55,394,562,353.84

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Solution

The fourth proportional to 101,121,283,851.20, 139,547,539,942.18 and 55,394,562,353.84 is: 76,444,588,203.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,121,283,851.20 : 139,547,539,942.18 = 55,394,562,353.84 : x
  2. Step 2: Convert to fraction form
    101,121,283,851.20/139,547,539,942.18 = 55,394,562,353.84/x
  3. Step 3: Cross multiply
    101,121,283,851.20x = 139,547,539,942.18 × 55,394,562,353.84
  4. Step 4: Simplify right side
    101,121,283,851.20x = 7,730,174,902,652,066,856,960
  5. Step 5: Solve for x
    x = 7,730,174,902,652,066,856,960/101,121,283,851.20
  6. Step 6: Final answer
    x = 76,444,588,203.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.