Home / 90,888,536.64-136,346,259.06-33,376,323.78

Finding the Fourth Proportional to 90,888,536.64, 136,346,259.06 and 33,376,323.78

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Solution

The fourth proportional to 90,888,536.64, 136,346,259.06 and 33,376,323.78 is: 50,069,426.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,888,536.64 : 136,346,259.06 = 33,376,323.78 : x
  2. Step 2: Convert to fraction form
    90,888,536.64/136,346,259.06 = 33,376,323.78/x
  3. Step 3: Cross multiply
    90,888,536.64x = 136,346,259.06 × 33,376,323.78
  4. Step 4: Simplify right side
    90,888,536.64x = 4,550,736,888,578,319
  5. Step 5: Solve for x
    x = 4,550,736,888,578,319/90,888,536.64
  6. Step 6: Final answer
    x = 50,069,426.32

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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.