Home / 67,091,881.20-100,602,392.40-28,710,031.20

Finding the Fourth Proportional to 67,091,881.20, 100,602,392.40 and 28,710,031.20

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Solution

The fourth proportional to 67,091,881.20, 100,602,392.40 and 28,710,031.20 is: 43,049,885.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,091,881.20 : 100,602,392.40 = 28,710,031.20 : x
  2. Step 2: Convert to fraction form
    67,091,881.20/100,602,392.40 = 28,710,031.20/x
  3. Step 3: Cross multiply
    67,091,881.20x = 100,602,392.40 × 28,710,031.20
  4. Step 4: Simplify right side
    67,091,881.20x = 2,888,297,824,598,643
  5. Step 5: Solve for x
    x = 2,888,297,824,598,643/67,091,881.20
  6. Step 6: Final answer
    x = 43,049,885.81

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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.