Home / 70,392,672.90-105,596,981.02-63,159,760.88

Finding the Fourth Proportional to 70,392,672.90, 105,596,981.02 and 63,159,760.88

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Solution

The fourth proportional to 70,392,672.90, 105,596,981.02 and 63,159,760.88 is: 94,746,793.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,392,672.90 : 105,596,981.02 = 63,159,760.88 : x
  2. Step 2: Convert to fraction form
    70,392,672.90/105,596,981.02 = 63,159,760.88/x
  3. Step 3: Cross multiply
    70,392,672.90x = 105,596,981.02 × 63,159,760.88
  4. Step 4: Simplify right side
    70,392,672.90x = 6,669,480,070,873,099
  5. Step 5: Solve for x
    x = 6,669,480,070,873,099/70,392,672.90
  6. Step 6: Final answer
    x = 94,746,793.89

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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.