Home / 98,583,836.40-136,184,850.72-89,748,531.36

Finding the Fourth Proportional to 98,583,836.40, 136,184,850.72 and 89,748,531.36

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Solution

The fourth proportional to 98,583,836.40, 136,184,850.72 and 89,748,531.36 is: 123,979,658.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,583,836.40 : 136,184,850.72 = 89,748,531.36 : x
  2. Step 2: Convert to fraction form
    98,583,836.40/136,184,850.72 = 89,748,531.36/x
  3. Step 3: Cross multiply
    98,583,836.40x = 136,184,850.72 × 89,748,531.36
  4. Step 4: Simplify right side
    98,583,836.40x = 12,222,390,345,600,838
  5. Step 5: Solve for x
    x = 12,222,390,345,600,838/98,583,836.40
  6. Step 6: Final answer
    x = 123,979,658.25

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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.