Home / 68,984,838,293.70-103,477,257,440.55-37,639,172,655.30

Finding the Fourth Proportional to 68,984,838,293.70, 103,477,257,440.55 and 37,639,172,655.30

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Solution

The fourth proportional to 68,984,838,293.70, 103,477,257,440.55 and 37,639,172,655.30 is: 56,458,758,982.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,984,838,293.70 : 103,477,257,440.55 = 37,639,172,655.30 : x
  2. Step 2: Convert to fraction form
    68,984,838,293.70/103,477,257,440.55 = 37,639,172,655.30/x
  3. Step 3: Cross multiply
    68,984,838,293.70x = 103,477,257,440.55 × 37,639,172,655.30
  4. Step 4: Simplify right side
    68,984,838,293.70x = 3,894,798,358,701,788,364,800
  5. Step 5: Solve for x
    x = 3,894,798,358,701,788,364,800/68,984,838,293.70
  6. Step 6: Final answer
    x = 56,458,758,982.95

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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.