Home / 191,505,346.15-287,258,019.23-133,054,709.35

Finding the Fourth Proportional to 191,505,346.15, 287,258,019.23 and 133,054,709.35

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Solution

The fourth proportional to 191,505,346.15, 287,258,019.23 and 133,054,709.35 is: 199,582,064.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,505,346.15 : 287,258,019.23 = 133,054,709.35 : x
  2. Step 2: Convert to fraction form
    191,505,346.15/287,258,019.23 = 133,054,709.35/x
  3. Step 3: Cross multiply
    191,505,346.15x = 287,258,019.23 × 133,054,709.35
  4. Step 4: Simplify right side
    191,505,346.15x = 38,221,032,257,104,360
  5. Step 5: Solve for x
    x = 38,221,032,257,104,360/191,505,346.15
  6. Step 6: Final answer
    x = 199,582,064.03

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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.