Home / 312,365,579.04-468,579,444.48-115,681,626.72

Finding the Fourth Proportional to 312,365,579.04, 468,579,444.48 and 115,681,626.72

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Solution

The fourth proportional to 312,365,579.04, 468,579,444.48 and 115,681,626.72 is: 173,533,948.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,365,579.04 : 468,579,444.48 = 115,681,626.72 : x
  2. Step 2: Convert to fraction form
    312,365,579.04/468,579,444.48 = 115,681,626.72/x
  3. Step 3: Cross multiply
    312,365,579.04x = 468,579,444.48 × 115,681,626.72
  4. Step 4: Simplify right side
    312,365,579.04x = 54,206,032,385,000,328
  5. Step 5: Solve for x
    x = 54,206,032,385,000,328/312,365,579.04
  6. Step 6: Final answer
    x = 173,533,948.75

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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.