Home / 147,254,970.60-203,212,496.79-81,174,046.32

Finding the Fourth Proportional to 147,254,970.60, 203,212,496.79 and 81,174,046.32

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Solution

The fourth proportional to 147,254,970.60, 203,212,496.79 and 81,174,046.32 is: 112,020,535.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,254,970.60 : 203,212,496.79 = 81,174,046.32 : x
  2. Step 2: Convert to fraction form
    147,254,970.60/203,212,496.79 = 81,174,046.32/x
  3. Step 3: Cross multiply
    147,254,970.60x = 203,212,496.79 × 81,174,046.32
  4. Step 4: Simplify right side
    147,254,970.60x = 16,495,580,627,234,310
  5. Step 5: Solve for x
    x = 16,495,580,627,234,310/147,254,970.60
  6. Step 6: Final answer
    x = 112,020,535.27

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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.