Home / 119,220,374.88-164,525,580-72,176,809.32

Finding the Fourth Proportional to 119,220,374.88, 164,525,580 and 72,176,809.32

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Solution

The fourth proportional to 119,220,374.88, 164,525,580 and 72,176,809.32 is: 99,604,882.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,220,374.88 : 164,525,580 = 72,176,809.32 : x
  2. Step 2: Convert to fraction form
    119,220,374.88/164,525,580 = 72,176,809.32/x
  3. Step 3: Cross multiply
    119,220,374.88x = 164,525,580 × 72,176,809.32
  4. Step 4: Simplify right side
    119,220,374.88x = 11,874,931,415,922,404
  5. Step 5: Solve for x
    x = 11,874,931,415,922,404/119,220,374.88
  6. Step 6: Final answer
    x = 99,604,882.37

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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.