Home / 191,506,111.90-287,259,167.85-133,055,475.10

Finding the Fourth Proportional to 191,506,111.90, 287,259,167.85 and 133,055,475.10

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Solution

The fourth proportional to 191,506,111.90, 287,259,167.85 and 133,055,475.10 is: 199,583,212.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,506,111.90 : 287,259,167.85 = 133,055,475.10 : x
  2. Step 2: Convert to fraction form
    191,506,111.90/287,259,167.85 = 133,055,475.10/x
  3. Step 3: Cross multiply
    191,506,111.90x = 287,259,167.85 × 133,055,475.10
  4. Step 4: Simplify right side
    191,506,111.90x = 38,221,405,055,112,400
  5. Step 5: Solve for x
    x = 38,221,405,055,112,400/191,506,111.90
  6. Step 6: Final answer
    x = 199,583,212.65

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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.