Home / 119,423,721.06-164,786,959.98-67,209,642.78

Finding the Fourth Proportional to 119,423,721.06, 164,786,959.98 and 67,209,642.78

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Solution

The fourth proportional to 119,423,721.06, 164,786,959.98 and 67,209,642.78 is: 92,739,303.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,423,721.06 : 164,786,959.98 = 67,209,642.78 : x
  2. Step 2: Convert to fraction form
    119,423,721.06/164,786,959.98 = 67,209,642.78/x
  3. Step 3: Cross multiply
    119,423,721.06x = 164,786,959.98 × 67,209,642.78
  4. Step 4: Simplify right side
    119,423,721.06x = 11,075,272,715,057,956
  5. Step 5: Solve for x
    x = 11,075,272,715,057,956/119,423,721.06
  6. Step 6: Final answer
    x = 92,739,303.52

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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.