Home / 112,320,011.70-168,480,017.55-63,779,109.30

Finding the Fourth Proportional to 112,320,011.70, 168,480,017.55 and 63,779,109.30

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Solution

The fourth proportional to 112,320,011.70, 168,480,017.55 and 63,779,109.30 is: 95,668,663.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,320,011.70 : 168,480,017.55 = 63,779,109.30 : x
  2. Step 2: Convert to fraction form
    112,320,011.70/168,480,017.55 = 63,779,109.30/x
  3. Step 3: Cross multiply
    112,320,011.70x = 168,480,017.55 × 63,779,109.30
  4. Step 4: Simplify right side
    112,320,011.70x = 10,745,505,454,187,368
  5. Step 5: Solve for x
    x = 10,745,505,454,187,368/112,320,011.70
  6. Step 6: Final answer
    x = 95,668,663.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.