Home / 101,562,731.16-140,156,130.78-55,152,602.52

Finding the Fourth Proportional to 101,562,731.16, 140,156,130.78 and 55,152,602.52

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Solution

The fourth proportional to 101,562,731.16, 140,156,130.78 and 55,152,602.52 is: 76,110,353.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,562,731.16 : 140,156,130.78 = 55,152,602.52 : x
  2. Step 2: Convert to fraction form
    101,562,731.16/140,156,130.78 = 55,152,602.52/x
  3. Step 3: Cross multiply
    101,562,731.16x = 140,156,130.78 × 55,152,602.52
  4. Step 4: Simplify right side
    101,562,731.16x = 7,729,975,371,650,478
  5. Step 5: Solve for x
    x = 7,729,975,371,650,478/101,562,731.16
  6. Step 6: Final answer
    x = 76,110,353.51

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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.