Home / 111,534,045.80-153,869,239.40-69,645,388.68

Finding the Fourth Proportional to 111,534,045.80, 153,869,239.40 and 69,645,388.68

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Solution

The fourth proportional to 111,534,045.80, 153,869,239.40 and 69,645,388.68 is: 96,080,823.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,534,045.80 : 153,869,239.40 = 69,645,388.68 : x
  2. Step 2: Convert to fraction form
    111,534,045.80/153,869,239.40 = 69,645,388.68/x
  3. Step 3: Cross multiply
    111,534,045.80x = 153,869,239.40 × 69,645,388.68
  4. Step 4: Simplify right side
    111,534,045.80x = 10,716,282,983,908,972
  5. Step 5: Solve for x
    x = 10,716,282,983,908,972/111,534,045.80
  6. Step 6: Final answer
    x = 96,080,823.64

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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.