Home / 98,925,417,113.78-147,721,960,374.18-80,789,182,465.35

Finding the Fourth Proportional to 98,925,417,113.78, 147,721,960,374.18 and 80,789,182,465.35

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Solution

The fourth proportional to 98,925,417,113.78, 147,721,960,374.18 and 80,789,182,465.35 is: 120,639,738,087.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,925,417,113.78 : 147,721,960,374.18 = 80,789,182,465.35 : x
  2. Step 2: Convert to fraction form
    98,925,417,113.78/147,721,960,374.18 = 80,789,182,465.35/x
  3. Step 3: Cross multiply
    98,925,417,113.78x = 147,721,960,374.18 × 80,789,182,465.35
  4. Step 4: Simplify right side
    98,925,417,113.78x = 11,934,336,410,808,829,870,080
  5. Step 5: Solve for x
    x = 11,934,336,410,808,829,870,080/98,925,417,113.78
  6. Step 6: Final answer
    x = 120,639,738,087.56

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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.