Home / 115,069,315.59-158,800,482.86-66,176,782.47

Finding the Fourth Proportional to 115,069,315.59, 158,800,482.86 and 66,176,782.47

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Solution

The fourth proportional to 115,069,315.59, 158,800,482.86 and 66,176,782.47 is: 91,326,736.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,069,315.59 : 158,800,482.86 = 66,176,782.47 : x
  2. Step 2: Convert to fraction form
    115,069,315.59/158,800,482.86 = 66,176,782.47/x
  3. Step 3: Cross multiply
    115,069,315.59x = 158,800,482.86 × 66,176,782.47
  4. Step 4: Simplify right side
    115,069,315.59x = 10,508,905,010,026,298
  5. Step 5: Solve for x
    x = 10,508,905,010,026,298/115,069,315.59
  6. Step 6: Final answer
    x = 91,326,736.03

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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.