Home / 70,789,613,318.94-97,689,705,574.95-38,236,826,816.58

Finding the Fourth Proportional to 70,789,613,318.94, 97,689,705,574.95 and 38,236,826,816.58

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Solution

The fourth proportional to 70,789,613,318.94, 97,689,705,574.95 and 38,236,826,816.58 is: 52,766,842,177.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,789,613,318.94 : 97,689,705,574.95 = 38,236,826,816.58 : x
  2. Step 2: Convert to fraction form
    70,789,613,318.94/97,689,705,574.95 = 38,236,826,816.58/x
  3. Step 3: Cross multiply
    70,789,613,318.94x = 97,689,705,574.95 × 38,236,826,816.58
  4. Step 4: Simplify right side
    70,789,613,318.94x = 3,735,344,353,832,052,719,616
  5. Step 5: Solve for x
    x = 3,735,344,353,832,052,719,616/70,789,613,318.94
  6. Step 6: Final answer
    x = 52,766,842,177.86

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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.