Home / 118,573,060.20-177,859,590.30-77,889,611.40

Finding the Fourth Proportional to 118,573,060.20, 177,859,590.30 and 77,889,611.40

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Solution

The fourth proportional to 118,573,060.20, 177,859,590.30 and 77,889,611.40 is: 116,834,417.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,573,060.20 : 177,859,590.30 = 77,889,611.40 : x
  2. Step 2: Convert to fraction form
    118,573,060.20/177,859,590.30 = 77,889,611.40/x
  3. Step 3: Cross multiply
    118,573,060.20x = 177,859,590.30 × 77,889,611.40
  4. Step 4: Simplify right side
    118,573,060.20x = 13,853,414,372,230,212
  5. Step 5: Solve for x
    x = 13,853,414,372,230,212/118,573,060.20
  6. Step 6: Final answer
    x = 116,834,417.10

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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.