Home / 53,590,631.20-80,385,946.80-53,142,733.60

Finding the Fourth Proportional to 53,590,631.20, 80,385,946.80 and 53,142,733.60

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Solution

The fourth proportional to 53,590,631.20, 80,385,946.80 and 53,142,733.60 is: 79,714,100.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,590,631.20 : 80,385,946.80 = 53,142,733.60 : x
  2. Step 2: Convert to fraction form
    53,590,631.20/80,385,946.80 = 53,142,733.60/x
  3. Step 3: Cross multiply
    53,590,631.20x = 80,385,946.80 × 53,142,733.60
  4. Step 4: Simplify right side
    53,590,631.20x = 4,271,928,955,976,172.50
  5. Step 5: Solve for x
    x = 4,271,928,955,976,172.50/53,590,631.20
  6. Step 6: Final answer
    x = 79,714,100.40

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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.