Home / 191,505,040.90-287,257,561.35-133,054,404.10

Finding the Fourth Proportional to 191,505,040.90, 287,257,561.35 and 133,054,404.10

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Solution

The fourth proportional to 191,505,040.90, 287,257,561.35 and 133,054,404.10 is: 199,581,606.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,505,040.90 : 287,257,561.35 = 133,054,404.10 : x
  2. Step 2: Convert to fraction form
    191,505,040.90/287,257,561.35 = 133,054,404.10/x
  3. Step 3: Cross multiply
    191,505,040.90x = 287,257,561.35 × 133,054,404.10
  4. Step 4: Simplify right side
    191,505,040.90x = 38,220,883,648,643,440
  5. Step 5: Solve for x
    x = 38,220,883,648,643,440/191,505,040.90
  6. Step 6: Final answer
    x = 199,581,606.15

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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.