Home / 116,496,005.80-174,744,008.70-78,175,877.80

Finding the Fourth Proportional to 116,496,005.80, 174,744,008.70 and 78,175,877.80

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Solution

The fourth proportional to 116,496,005.80, 174,744,008.70 and 78,175,877.80 is: 117,263,816.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,496,005.80 : 174,744,008.70 = 78,175,877.80 : x
  2. Step 2: Convert to fraction form
    116,496,005.80/174,744,008.70 = 78,175,877.80/x
  3. Step 3: Cross multiply
    116,496,005.80x = 174,744,008.70 × 78,175,877.80
  4. Step 4: Simplify right side
    116,496,005.80x = 13,660,766,270,413,336
  5. Step 5: Solve for x
    x = 13,660,766,270,413,336/116,496,005.80
  6. Step 6: Final answer
    x = 117,263,816.70

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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.