Home / 124,339,919.40-186,509,879.10-116,775,426.60

Finding the Fourth Proportional to 124,339,919.40, 186,509,879.10 and 116,775,426.60

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Solution

The fourth proportional to 124,339,919.40, 186,509,879.10 and 116,775,426.60 is: 175,163,139.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,339,919.40 : 186,509,879.10 = 116,775,426.60 : x
  2. Step 2: Convert to fraction form
    124,339,919.40/186,509,879.10 = 116,775,426.60/x
  3. Step 3: Cross multiply
    124,339,919.40x = 186,509,879.10 × 116,775,426.60
  4. Step 4: Simplify right side
    124,339,919.40x = 21,779,770,697,016,924
  5. Step 5: Solve for x
    x = 21,779,770,697,016,924/124,339,919.40
  6. Step 6: Final answer
    x = 175,163,139.90

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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.