Home / 70,976,424.72-97,947,601.64-39,186,655.77

Finding the Fourth Proportional to 70,976,424.72, 97,947,601.64 and 39,186,655.77

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Solution

The fourth proportional to 70,976,424.72, 97,947,601.64 and 39,186,655.77 is: 54,077,659.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,976,424.72 : 97,947,601.64 = 39,186,655.77 : x
  2. Step 2: Convert to fraction form
    70,976,424.72/97,947,601.64 = 39,186,655.77/x
  3. Step 3: Cross multiply
    70,976,424.72x = 97,947,601.64 × 39,186,655.77
  4. Step 4: Simplify right side
    70,976,424.72x = 3,838,238,948,767,834.50
  5. Step 5: Solve for x
    x = 3,838,238,948,767,834.50/70,976,424.72
  6. Step 6: Final answer
    x = 54,077,659.79

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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.