Home / 99,804,925.10-149,413,454.85-74,358,742.70

Finding the Fourth Proportional to 99,804,925.10, 149,413,454.85 and 74,358,742.70

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Solution

The fourth proportional to 99,804,925.10, 149,413,454.85 and 74,358,742.70 is: 111,319,122.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,804,925.10 : 149,413,454.85 = 74,358,742.70 : x
  2. Step 2: Convert to fraction form
    99,804,925.10/149,413,454.85 = 74,358,742.70/x
  3. Step 3: Cross multiply
    99,804,925.10x = 149,413,454.85 × 74,358,742.70
  4. Step 4: Simplify right side
    99,804,925.10x = 11,110,196,645,109,218
  5. Step 5: Solve for x
    x = 11,110,196,645,109,218/99,804,925.10
  6. Step 6: Final answer
    x = 111,319,122.12

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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.