Home / 126,963,366,847.11-175,209,474,848.07-69,870,677,343.62

Finding the Fourth Proportional to 126,963,366,847.11, 175,209,474,848.07 and 69,870,677,343.62

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Solution

The fourth proportional to 126,963,366,847.11, 175,209,474,848.07 and 69,870,677,343.62 is: 96,421,550,472.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,963,366,847.11 : 175,209,474,848.07 = 69,870,677,343.62 : x
  2. Step 2: Convert to fraction form
    126,963,366,847.11/175,209,474,848.07 = 69,870,677,343.62/x
  3. Step 3: Cross multiply
    126,963,366,847.11x = 175,209,474,848.07 × 69,870,677,343.62
  4. Step 4: Simplify right side
    126,963,366,847.11x = 12,242,004,684,653,727,842,304
  5. Step 5: Solve for x
    x = 12,242,004,684,653,727,842,304/126,963,366,847.11
  6. Step 6: Final answer
    x = 96,421,550,472.87

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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.