Home / 116,978,445.64-161,435,299.85-64,767,482.02

Finding the Fourth Proportional to 116,978,445.64, 161,435,299.85 and 64,767,482.02

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Solution

The fourth proportional to 116,978,445.64, 161,435,299.85 and 64,767,482.02 is: 89,381,918.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,978,445.64 : 161,435,299.85 = 64,767,482.02 : x
  2. Step 2: Convert to fraction form
    116,978,445.64/161,435,299.85 = 64,767,482.02/x
  3. Step 3: Cross multiply
    116,978,445.64x = 161,435,299.85 × 64,767,482.02
  4. Step 4: Simplify right side
    116,978,445.64x = 10,455,757,880,428,184
  5. Step 5: Solve for x
    x = 10,455,757,880,428,184/116,978,445.64
  6. Step 6: Final answer
    x = 89,381,918.38

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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.