Home / 109,285,489.80-163,928,234.70-54,865,931.40

Finding the Fourth Proportional to 109,285,489.80, 163,928,234.70 and 54,865,931.40

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Solution

The fourth proportional to 109,285,489.80, 163,928,234.70 and 54,865,931.40 is: 82,298,897.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,285,489.80 : 163,928,234.70 = 54,865,931.40 : x
  2. Step 2: Convert to fraction form
    109,285,489.80/163,928,234.70 = 54,865,931.40/x
  3. Step 3: Cross multiply
    109,285,489.80x = 163,928,234.70 × 54,865,931.40
  4. Step 4: Simplify right side
    109,285,489.80x = 8,994,075,279,573,299
  5. Step 5: Solve for x
    x = 8,994,075,279,573,299/109,285,489.80
  6. Step 6: Final answer
    x = 82,298,897.10

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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.