Home / 98,686,847.36-136,202,094.64-56,862,902.40

Finding the Fourth Proportional to 98,686,847.36, 136,202,094.64 and 56,862,902.40

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Solution

The fourth proportional to 98,686,847.36, 136,202,094.64 and 56,862,902.40 is: 78,479,013.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,686,847.36 : 136,202,094.64 = 56,862,902.40 : x
  2. Step 2: Convert to fraction form
    98,686,847.36/136,202,094.64 = 56,862,902.40/x
  3. Step 3: Cross multiply
    98,686,847.36x = 136,202,094.64 × 56,862,902.40
  4. Step 4: Simplify right side
    98,686,847.36x = 7,744,846,414,189,882
  5. Step 5: Solve for x
    x = 7,744,846,414,189,882/98,686,847.36
  6. Step 6: Final answer
    x = 78,479,013.38

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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.