Home / 139,340,179.64-208,872,210.49-65,431,656.07

Finding the Fourth Proportional to 139,340,179.64, 208,872,210.49 and 65,431,656.07

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Solution

The fourth proportional to 139,340,179.64, 208,872,210.49 and 65,431,656.07 is: 98,082,654.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,340,179.64 : 208,872,210.49 = 65,431,656.07 : x
  2. Step 2: Convert to fraction form
    139,340,179.64/208,872,210.49 = 65,431,656.07/x
  3. Step 3: Cross multiply
    139,340,179.64x = 208,872,210.49 × 65,431,656.07
  4. Step 4: Simplify right side
    139,340,179.64x = 13,666,854,638,676,568
  5. Step 5: Solve for x
    x = 13,666,854,638,676,568/139,340,179.64
  6. Step 6: Final answer
    x = 98,082,654.08

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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.