Home / 101,495,401.56-140,063,792.64-55,085,656.20

Finding the Fourth Proportional to 101,495,401.56, 140,063,792.64 and 55,085,656.20

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Solution

The fourth proportional to 101,495,401.56, 140,063,792.64 and 55,085,656.20 is: 76,018,280.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,495,401.56 : 140,063,792.64 = 55,085,656.20 : x
  2. Step 2: Convert to fraction form
    101,495,401.56/140,063,792.64 = 55,085,656.20/x
  3. Step 3: Cross multiply
    101,495,401.56x = 140,063,792.64 × 55,085,656.20
  4. Step 4: Simplify right side
    101,495,401.56x = 7,715,505,927,435,130
  5. Step 5: Solve for x
    x = 7,715,505,927,435,130/101,495,401.56
  6. Step 6: Final answer
    x = 76,018,280.72

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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.