Home / 52,161,970.98-71,979,908.70-28,955,263.62

Finding the Fourth Proportional to 52,161,970.98, 71,979,908.70 and 28,955,263.62

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Solution

The fourth proportional to 52,161,970.98, 71,979,908.70 and 28,955,263.62 is: 39,956,259.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,161,970.98 : 71,979,908.70 = 28,955,263.62 : x
  2. Step 2: Convert to fraction form
    52,161,970.98/71,979,908.70 = 28,955,263.62/x
  3. Step 3: Cross multiply
    52,161,970.98x = 71,979,908.70 × 28,955,263.62
  4. Step 4: Simplify right side
    52,161,970.98x = 2,084,197,231,752,031.75
  5. Step 5: Solve for x
    x = 2,084,197,231,752,031.75/52,161,970.98
  6. Step 6: Final answer
    x = 39,956,259.18

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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.