Home / 111,534,045.79-153,869,239.38-69,645,388.69

Finding the Fourth Proportional to 111,534,045.79, 153,869,239.38 and 69,645,388.69

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Solution

The fourth proportional to 111,534,045.79, 153,869,239.38 and 69,645,388.69 is: 96,080,823.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,534,045.79 : 153,869,239.38 = 69,645,388.69 : x
  2. Step 2: Convert to fraction form
    111,534,045.79/153,869,239.38 = 69,645,388.69/x
  3. Step 3: Cross multiply
    111,534,045.79x = 153,869,239.38 × 69,645,388.69
  4. Step 4: Simplify right side
    111,534,045.79x = 10,716,282,984,054,754
  5. Step 5: Solve for x
    x = 10,716,282,984,054,754/111,534,045.79
  6. Step 6: Final answer
    x = 96,080,823.65

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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.