Home / 191,120,466.92-286,499,069.37-121,838,828.81

Finding the Fourth Proportional to 191,120,466.92, 286,499,069.37 and 121,838,828.81

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Solution

The fourth proportional to 191,120,466.92, 286,499,069.37 and 121,838,828.81 is: 182,642,453.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,120,466.92 : 286,499,069.37 = 121,838,828.81 : x
  2. Step 2: Convert to fraction form
    191,120,466.92/286,499,069.37 = 121,838,828.81/x
  3. Step 3: Cross multiply
    191,120,466.92x = 286,499,069.37 × 121,838,828.81
  4. Step 4: Simplify right side
    191,120,466.92x = 34,906,711,065,763,252
  5. Step 5: Solve for x
    x = 34,906,711,065,763,252/191,120,466.92
  6. Step 6: Final answer
    x = 182,642,453.89

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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.