Home / 98,925,417,110.78-147,721,960,369.70-80,789,182,462.35

Finding the Fourth Proportional to 98,925,417,110.78, 147,721,960,369.70 and 80,789,182,462.35

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Solution

The fourth proportional to 98,925,417,110.78, 147,721,960,369.70 and 80,789,182,462.35 is: 120,639,738,083.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,925,417,110.78 : 147,721,960,369.70 = 80,789,182,462.35 : x
  2. Step 2: Convert to fraction form
    98,925,417,110.78/147,721,960,369.70 = 80,789,182,462.35/x
  3. Step 3: Cross multiply
    98,925,417,110.78x = 147,721,960,369.70 × 80,789,182,462.35
  4. Step 4: Simplify right side
    98,925,417,110.78x = 11,934,336,410,003,731,120,128
  5. Step 5: Solve for x
    x = 11,934,336,410,003,731,120,128/98,925,417,110.78
  6. Step 6: Final answer
    x = 120,639,738,083.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.