Home / 90,293,014.51-124,604,997.71-49,039,906.88

Finding the Fourth Proportional to 90,293,014.51, 124,604,997.71 and 49,039,906.88

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Solution

The fourth proportional to 90,293,014.51, 124,604,997.71 and 49,039,906.88 is: 67,675,417.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,293,014.51 : 124,604,997.71 = 49,039,906.88 : x
  2. Step 2: Convert to fraction form
    90,293,014.51/124,604,997.71 = 49,039,906.88/x
  3. Step 3: Cross multiply
    90,293,014.51x = 124,604,997.71 × 49,039,906.88
  4. Step 4: Simplify right side
    90,293,014.51x = 6,110,617,484,547,326
  5. Step 5: Solve for x
    x = 6,110,617,484,547,326/90,293,014.51
  6. Step 6: Final answer
    x = 67,675,417.84

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1.5x scale

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.