Home / 191,505,349.15-287,258,023.73-133,054,712.35

Finding the Fourth Proportional to 191,505,349.15, 287,258,023.73 and 133,054,712.35

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Solution

The fourth proportional to 191,505,349.15, 287,258,023.73 and 133,054,712.35 is: 199,582,068.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,505,349.15 : 287,258,023.73 = 133,054,712.35 : x
  2. Step 2: Convert to fraction form
    191,505,349.15/287,258,023.73 = 133,054,712.35/x
  3. Step 3: Cross multiply
    191,505,349.15x = 287,258,023.73 × 133,054,712.35
  4. Step 4: Simplify right side
    191,505,349.15x = 38,221,033,717,624,624
  5. Step 5: Solve for x
    x = 38,221,033,717,624,624/191,505,349.15
  6. Step 6: Final answer
    x = 199,582,068.53

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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.