Home / 205,677,621.36-308,518,240.50-52,323,840

Finding the Fourth Proportional to 205,677,621.36, 308,518,240.50 and 52,323,840

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Solution

The fourth proportional to 205,677,621.36, 308,518,240.50 and 52,323,840 is: 78,486,220.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,677,621.36 : 308,518,240.50 = 52,323,840 : x
  2. Step 2: Convert to fraction form
    205,677,621.36/308,518,240.50 = 52,323,840/x
  3. Step 3: Cross multiply
    205,677,621.36x = 308,518,240.50 × 52,323,840
  4. Step 4: Simplify right side
    205,677,621.36x = 16,142,859,053,003,520
  5. Step 5: Solve for x
    x = 16,142,859,053,003,520/205,677,621.36
  6. Step 6: Final answer
    x = 78,486,220.07

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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.