Home / 117,422,519.40-176,133,779.10-99,282,666.60

Finding the Fourth Proportional to 117,422,519.40, 176,133,779.10 and 99,282,666.60

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Solution

The fourth proportional to 117,422,519.40, 176,133,779.10 and 99,282,666.60 is: 148,923,999.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,422,519.40 : 176,133,779.10 = 99,282,666.60 : x
  2. Step 2: Convert to fraction form
    117,422,519.40/176,133,779.10 = 99,282,666.60/x
  3. Step 3: Cross multiply
    117,422,519.40x = 176,133,779.10 × 99,282,666.60
  4. Step 4: Simplify right side
    117,422,519.40x = 17,487,031,267,383,346
  5. Step 5: Solve for x
    x = 17,487,031,267,383,346/117,422,519.40
  6. Step 6: Final answer
    x = 148,923,999.90

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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.