Home / 167,869,422.60-251,729,484.30-77,020,859.40

Finding the Fourth Proportional to 167,869,422.60, 251,729,484.30 and 77,020,859.40

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Solution

The fourth proportional to 167,869,422.60, 251,729,484.30 and 77,020,859.40 is: 115,497,038.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,869,422.60 : 251,729,484.30 = 77,020,859.40 : x
  2. Step 2: Convert to fraction form
    167,869,422.60/251,729,484.30 = 77,020,859.40/x
  3. Step 3: Cross multiply
    167,869,422.60x = 251,729,484.30 × 77,020,859.40
  4. Step 4: Simplify right side
    167,869,422.60x = 19,388,421,217,104,808
  5. Step 5: Solve for x
    x = 19,388,421,217,104,808/167,869,422.60
  6. Step 6: Final answer
    x = 115,497,038.81

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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.