Home / 191,505,298.40-287,257,947.60-133,054,661.60

Finding the Fourth Proportional to 191,505,298.40, 287,257,947.60 and 133,054,661.60

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Solution

The fourth proportional to 191,505,298.40, 287,257,947.60 and 133,054,661.60 is: 199,581,992.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,505,298.40 : 287,257,947.60 = 133,054,661.60 : x
  2. Step 2: Convert to fraction form
    191,505,298.40/287,257,947.60 = 133,054,661.60/x
  3. Step 3: Cross multiply
    191,505,298.40x = 287,257,947.60 × 133,054,661.60
  4. Step 4: Simplify right side
    191,505,298.40x = 38,221,009,009,828,536
  5. Step 5: Solve for x
    x = 38,221,009,009,828,536/191,505,298.40
  6. Step 6: Final answer
    x = 199,581,992.40

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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.