Home / 53,164,042.80-79,746,064.20-12,774,526.80

Finding the Fourth Proportional to 53,164,042.80, 79,746,064.20 and 12,774,526.80

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Solution

The fourth proportional to 53,164,042.80, 79,746,064.20 and 12,774,526.80 is: 19,161,790.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,164,042.80 : 79,746,064.20 = 12,774,526.80 : x
  2. Step 2: Convert to fraction form
    53,164,042.80/79,746,064.20 = 12,774,526.80/x
  3. Step 3: Cross multiply
    53,164,042.80x = 79,746,064.20 × 12,774,526.80
  4. Step 4: Simplify right side
    53,164,042.80x = 1,018,718,234,317,420.62
  5. Step 5: Solve for x
    x = 1,018,718,234,317,420.62/53,164,042.80
  6. Step 6: Final answer
    x = 19,161,790.20

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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.