Home / 123,900,775.48-170,983,211.88-68,895,451

Finding the Fourth Proportional to 123,900,775.48, 170,983,211.88 and 68,895,451

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Solution

The fourth proportional to 123,900,775.48, 170,983,211.88 and 68,895,451 is: 95,075,801.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,900,775.48 : 170,983,211.88 = 68,895,451 : x
  2. Step 2: Convert to fraction form
    123,900,775.48/170,983,211.88 = 68,895,451/x
  3. Step 3: Cross multiply
    123,900,775.48x = 170,983,211.88 × 68,895,451
  4. Step 4: Simplify right side
    123,900,775.48x = 11,779,965,495,901,158
  5. Step 5: Solve for x
    x = 11,779,965,495,901,158/123,900,775.48
  6. Step 6: Final answer
    x = 95,075,801.18

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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.