Home / 82,774,630,981.87-124,161,946,333.51-19,889,929,499.77

Finding the Fourth Proportional to 82,774,630,981.87, 124,161,946,333.51 and 19,889,929,499.77

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Solution

The fourth proportional to 82,774,630,981.87, 124,161,946,333.51 and 19,889,929,499.77 is: 29,834,894,216.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,774,630,981.87 : 124,161,946,333.51 = 19,889,929,499.77 : x
  2. Step 2: Convert to fraction form
    82,774,630,981.87/124,161,946,333.51 = 19,889,929,499.77/x
  3. Step 3: Cross multiply
    82,774,630,981.87x = 124,161,946,333.51 × 19,889,929,499.77
  4. Step 4: Simplify right side
    82,774,630,981.87x = 2,469,572,359,127,119,167,488
  5. Step 5: Solve for x
    x = 2,469,572,359,127,119,167,488/82,774,630,981.87
  6. Step 6: Final answer
    x = 29,834,894,216.18

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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.