Home / 111,359,639.10-153,679,796.66-64,315,838.64

Finding the Fourth Proportional to 111,359,639.10, 153,679,796.66 and 64,315,838.64

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Solution

The fourth proportional to 111,359,639.10, 153,679,796.66 and 64,315,838.64 is: 88,757,875.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,359,639.10 : 153,679,796.66 = 64,315,838.64 : x
  2. Step 2: Convert to fraction form
    111,359,639.10/153,679,796.66 = 64,315,838.64/x
  3. Step 3: Cross multiply
    111,359,639.10x = 153,679,796.66 × 64,315,838.64
  4. Step 4: Simplify right side
    111,359,639.10x = 9,884,045,004,212,570
  5. Step 5: Solve for x
    x = 9,884,045,004,212,570/111,359,639.10
  6. Step 6: Final answer
    x = 88,757,875.69

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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.