Home / 262,263,599.52-361,971,154.80-156,423,806.88

Finding the Fourth Proportional to 262,263,599.52, 361,971,154.80 and 156,423,806.88

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Solution

The fourth proportional to 262,263,599.52, 361,971,154.80 and 156,423,806.88 is: 215,893,117.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,263,599.52 : 361,971,154.80 = 156,423,806.88 : x
  2. Step 2: Convert to fraction form
    262,263,599.52/361,971,154.80 = 156,423,806.88/x
  3. Step 3: Cross multiply
    262,263,599.52x = 361,971,154.80 × 156,423,806.88
  4. Step 4: Simplify right side
    262,263,599.52x = 56,620,906,014,565,784
  5. Step 5: Solve for x
    x = 56,620,906,014,565,784/262,263,599.52
  6. Step 6: Final answer
    x = 215,893,117.15

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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.