Home / 82,717,726.05-124,076,589.08-77,615,892.45

Finding the Fourth Proportional to 82,717,726.05, 124,076,589.08 and 77,615,892.45

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Solution

The fourth proportional to 82,717,726.05, 124,076,589.08 and 77,615,892.45 is: 116,423,838.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,717,726.05 : 124,076,589.08 = 77,615,892.45 : x
  2. Step 2: Convert to fraction form
    82,717,726.05/124,076,589.08 = 77,615,892.45/x
  3. Step 3: Cross multiply
    82,717,726.05x = 124,076,589.08 × 77,615,892.45
  4. Step 4: Simplify right side
    82,717,726.05x = 9,630,315,193,208,046
  5. Step 5: Solve for x
    x = 9,630,315,193,208,046/82,717,726.05
  6. Step 6: Final answer
    x = 116,423,838.68

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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.