Home / 90,076,844.51-124,306,228.59-48,823,764.83

Finding the Fourth Proportional to 90,076,844.51, 124,306,228.59 and 48,823,764.83

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Solution

The fourth proportional to 90,076,844.51, 124,306,228.59 and 48,823,764.83 is: 67,376,894.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,076,844.51 : 124,306,228.59 = 48,823,764.83 : x
  2. Step 2: Convert to fraction form
    90,076,844.51/124,306,228.59 = 48,823,764.83/x
  3. Step 3: Cross multiply
    90,076,844.51x = 124,306,228.59 × 48,823,764.83
  4. Step 4: Simplify right side
    90,076,844.51x = 6,069,098,071,582,382
  5. Step 5: Solve for x
    x = 6,069,098,071,582,382/90,076,844.51
  6. Step 6: Final answer
    x = 67,376,894.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.