Home / 71,852,782.32-99,156,880.62-38,813,031.36

Finding the Fourth Proportional to 71,852,782.32, 99,156,880.62 and 38,813,031.36

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Solution

The fourth proportional to 71,852,782.32, 99,156,880.62 and 38,813,031.36 is: 53,562,005.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,852,782.32 : 99,156,880.62 = 38,813,031.36 : x
  2. Step 2: Convert to fraction form
    71,852,782.32/99,156,880.62 = 38,813,031.36/x
  3. Step 3: Cross multiply
    71,852,782.32x = 99,156,880.62 × 38,813,031.36
  4. Step 4: Simplify right side
    71,852,782.32x = 3,848,579,117,063,836.50
  5. Step 5: Solve for x
    x = 3,848,579,117,063,836.50/71,852,782.32
  6. Step 6: Final answer
    x = 53,562,005.43

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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.