Home / 229,942,256.45-317,323,660.28-130,820,870.48

Finding the Fourth Proportional to 229,942,256.45, 317,323,660.28 and 130,820,870.48

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Solution

The fourth proportional to 229,942,256.45, 317,323,660.28 and 130,820,870.48 is: 180,534,705.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,942,256.45 : 317,323,660.28 = 130,820,870.48 : x
  2. Step 2: Convert to fraction form
    229,942,256.45/317,323,660.28 = 130,820,870.48/x
  3. Step 3: Cross multiply
    229,942,256.45x = 317,323,660.28 × 130,820,870.48
  4. Step 4: Simplify right side
    229,942,256.45x = 41,512,557,459,488,672
  5. Step 5: Solve for x
    x = 41,512,557,459,488,672/229,942,256.45
  6. Step 6: Final answer
    x = 180,534,705.11

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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.