Home / 119,039,006.52-164,291,758.08-72,656,213.88

Finding the Fourth Proportional to 119,039,006.52, 164,291,758.08 and 72,656,213.88

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Solution

The fourth proportional to 119,039,006.52, 164,291,758.08 and 72,656,213.88 is: 100,276,518.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,039,006.52 : 164,291,758.08 = 72,656,213.88 : x
  2. Step 2: Convert to fraction form
    119,039,006.52/164,291,758.08 = 72,656,213.88/x
  3. Step 3: Cross multiply
    119,039,006.52x = 164,291,758.08 × 72,656,213.88
  4. Step 4: Simplify right side
    119,039,006.52x = 11,936,817,113,781,698
  5. Step 5: Solve for x
    x = 11,936,817,113,781,698/119,039,006.52
  6. Step 6: Final answer
    x = 100,276,518.28

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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.