Home / 438,739,833.40-658,109,750.10-111,214,713.40

Finding the Fourth Proportional to 438,739,833.40, 658,109,750.10 and 111,214,713.40

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Solution

The fourth proportional to 438,739,833.40, 658,109,750.10 and 111,214,713.40 is: 166,822,070.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,739,833.40 : 658,109,750.10 = 111,214,713.40 : x
  2. Step 2: Convert to fraction form
    438,739,833.40/658,109,750.10 = 111,214,713.40/x
  3. Step 3: Cross multiply
    438,739,833.40x = 658,109,750.10 × 111,214,713.40
  4. Step 4: Simplify right side
    438,739,833.40x = 73,191,487,243,117,120
  5. Step 5: Solve for x
    x = 73,191,487,243,117,120/438,739,833.40
  6. Step 6: Final answer
    x = 166,822,070.10

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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.