Home / 76,439,648,333.40-105,531,964,355.70-67,958,045,277.48

Finding the Fourth Proportional to 76,439,648,333.40, 105,531,964,355.70 and 67,958,045,277.48

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Solution

The fourth proportional to 76,439,648,333.40, 105,531,964,355.70 and 67,958,045,277.48 is: 93,822,331,319.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,439,648,333.40 : 105,531,964,355.70 = 67,958,045,277.48 : x
  2. Step 2: Convert to fraction form
    76,439,648,333.40/105,531,964,355.70 = 67,958,045,277.48/x
  3. Step 3: Cross multiply
    76,439,648,333.40x = 105,531,964,355.70 × 67,958,045,277.48
  4. Step 4: Simplify right side
    76,439,648,333.40x = 7,171,746,011,906,065,825,792
  5. Step 5: Solve for x
    x = 7,171,746,011,906,065,825,792/76,439,648,333.40
  6. Step 6: Final answer
    x = 93,822,331,319.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.