Home / 53,842,760.81-80,784,495.84-21,076,746.92

Finding the Fourth Proportional to 53,842,760.81, 80,784,495.84 and 21,076,746.92

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Solution

The fourth proportional to 53,842,760.81, 80,784,495.84 and 21,076,746.92 is: 31,623,088.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,842,760.81 : 80,784,495.84 = 21,076,746.92 : x
  2. Step 2: Convert to fraction form
    53,842,760.81/80,784,495.84 = 21,076,746.92/x
  3. Step 3: Cross multiply
    53,842,760.81x = 80,784,495.84 × 21,076,746.92
  4. Step 4: Simplify right side
    53,842,760.81x = 1,702,674,373,879,473
  5. Step 5: Solve for x
    x = 1,702,674,373,879,473/53,842,760.81
  6. Step 6: Final answer
    x = 31,623,088.20

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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.