Home / 82,774,630,980.92-124,161,946,332.08-19,889,929,498.83

Finding the Fourth Proportional to 82,774,630,980.92, 124,161,946,332.08 and 19,889,929,498.83

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Solution

The fourth proportional to 82,774,630,980.92, 124,161,946,332.08 and 19,889,929,498.83 is: 29,834,894,214.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,774,630,980.92 : 124,161,946,332.08 = 19,889,929,498.83 : x
  2. Step 2: Convert to fraction form
    82,774,630,980.92/124,161,946,332.08 = 19,889,929,498.83/x
  3. Step 3: Cross multiply
    82,774,630,980.92x = 124,161,946,332.08 × 19,889,929,498.83
  4. Step 4: Simplify right side
    82,774,630,980.92x = 2,469,572,358,982,585,548,800
  5. Step 5: Solve for x
    x = 2,469,572,358,982,585,548,800/82,774,630,980.92
  6. Step 6: Final answer
    x = 29,834,894,214.77

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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.