Home / 163,944,220.40-245,916,330.60-42,775,672.40

Finding the Fourth Proportional to 163,944,220.40, 245,916,330.60 and 42,775,672.40

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Solution

The fourth proportional to 163,944,220.40, 245,916,330.60 and 42,775,672.40 is: 64,163,508.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,944,220.40 : 245,916,330.60 = 42,775,672.40 : x
  2. Step 2: Convert to fraction form
    163,944,220.40/245,916,330.60 = 42,775,672.40/x
  3. Step 3: Cross multiply
    163,944,220.40x = 245,916,330.60 × 42,775,672.40
  4. Step 4: Simplify right side
    163,944,220.40x = 10,519,236,395,555,694
  5. Step 5: Solve for x
    x = 10,519,236,395,555,694/163,944,220.40
  6. Step 6: Final answer
    x = 64,163,508.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.