Home / 82,774,630,981.61-124,161,946,333.12-19,889,929,499.52

Finding the Fourth Proportional to 82,774,630,981.61, 124,161,946,333.12 and 19,889,929,499.52

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Solution

The fourth proportional to 82,774,630,981.61, 124,161,946,333.12 and 19,889,929,499.52 is: 29,834,894,215.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,774,630,981.61 : 124,161,946,333.12 = 19,889,929,499.52 : x
  2. Step 2: Convert to fraction form
    82,774,630,981.61/124,161,946,333.12 = 19,889,929,499.52/x
  3. Step 3: Cross multiply
    82,774,630,981.61x = 124,161,946,333.12 × 19,889,929,499.52
  4. Step 4: Simplify right side
    82,774,630,981.61x = 2,469,572,359,088,942,612,480
  5. Step 5: Solve for x
    x = 2,469,572,359,088,942,612,480/82,774,630,981.61
  6. Step 6: Final answer
    x = 29,834,894,215.81

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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.