Home / 115,069,316.88-158,800,484.60-66,176,783.76

Finding the Fourth Proportional to 115,069,316.88, 158,800,484.60 and 66,176,783.76

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Solution

The fourth proportional to 115,069,316.88, 158,800,484.60 and 66,176,783.76 is: 91,326,737.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,069,316.88 : 158,800,484.60 = 66,176,783.76 : x
  2. Step 2: Convert to fraction form
    115,069,316.88/158,800,484.60 = 66,176,783.76/x
  3. Step 3: Cross multiply
    115,069,316.88x = 158,800,484.60 × 66,176,783.76
  4. Step 4: Simplify right side
    115,069,316.88x = 10,508,905,330,357,410
  5. Step 5: Solve for x
    x = 10,508,905,330,357,410/115,069,316.88
  6. Step 6: Final answer
    x = 91,326,737.79

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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.