Home / 74,217,087.68-110,723,013.52-70,199,393.36

Finding the Fourth Proportional to 74,217,087.68, 110,723,013.52 and 70,199,393.36

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Solution

The fourth proportional to 74,217,087.68, 110,723,013.52 and 70,199,393.36 is: 104,729,094.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,217,087.68 : 110,723,013.52 = 70,199,393.36 : x
  2. Step 2: Convert to fraction form
    74,217,087.68/110,723,013.52 = 70,199,393.36/x
  3. Step 3: Cross multiply
    74,217,087.68x = 110,723,013.52 × 70,199,393.36
  4. Step 4: Simplify right side
    74,217,087.68x = 7,772,688,380,095,078
  5. Step 5: Solve for x
    x = 7,772,688,380,095,078/74,217,087.68
  6. Step 6: Final answer
    x = 104,729,094.38

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.