Home / 136,719,321.60-205,173,460.80-98,413,579.20

Finding the Fourth Proportional to 136,719,321.60, 205,173,460.80 and 98,413,579.20

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Solution

The fourth proportional to 136,719,321.60, 205,173,460.80 and 98,413,579.20 is: 147,688,376.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,719,321.60 : 205,173,460.80 = 98,413,579.20 : x
  2. Step 2: Convert to fraction form
    136,719,321.60/205,173,460.80 = 98,413,579.20/x
  3. Step 3: Cross multiply
    136,719,321.60x = 205,173,460.80 × 98,413,579.20
  4. Step 4: Simplify right side
    136,719,321.60x = 20,191,854,634,178,896
  5. Step 5: Solve for x
    x = 20,191,854,634,178,896/136,719,321.60
  6. Step 6: Final answer
    x = 147,688,376.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.