Home / 257,500,841.58-355,360,506.21-147,513,812.22

Finding the Fourth Proportional to 257,500,841.58, 355,360,506.21 and 147,513,812.22

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Solution

The fourth proportional to 257,500,841.58, 355,360,506.21 and 147,513,812.22 is: 203,574,414.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,500,841.58 : 355,360,506.21 = 147,513,812.22 : x
  2. Step 2: Convert to fraction form
    257,500,841.58/355,360,506.21 = 147,513,812.22/x
  3. Step 3: Cross multiply
    257,500,841.58x = 355,360,506.21 × 147,513,812.22
  4. Step 4: Simplify right side
    257,500,841.58x = 52,420,582,983,466,080
  5. Step 5: Solve for x
    x = 52,420,582,983,466,080/257,500,841.58
  6. Step 6: Final answer
    x = 203,574,414.21

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1.5x scale

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.