Home / 123,900,774.48-170,983,210.50-68,895,450

Finding the Fourth Proportional to 123,900,774.48, 170,983,210.50 and 68,895,450

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Solution

The fourth proportional to 123,900,774.48, 170,983,210.50 and 68,895,450 is: 95,075,799.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,900,774.48 : 170,983,210.50 = 68,895,450 : x
  2. Step 2: Convert to fraction form
    123,900,774.48/170,983,210.50 = 68,895,450/x
  3. Step 3: Cross multiply
    123,900,774.48x = 170,983,210.50 × 68,895,450
  4. Step 4: Simplify right side
    123,900,774.48x = 11,779,965,229,842,224
  5. Step 5: Solve for x
    x = 11,779,965,229,842,224/123,900,774.48
  6. Step 6: Final answer
    x = 95,075,799.80

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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.