Home / 191,705,915.48-264,566,019.08-105,776,035.49

Finding the Fourth Proportional to 191,705,915.48, 264,566,019.08 and 105,776,035.49

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Solution

The fourth proportional to 191,705,915.48, 264,566,019.08 and 105,776,035.49 is: 145,977,470.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,705,915.48 : 264,566,019.08 = 105,776,035.49 : x
  2. Step 2: Convert to fraction form
    191,705,915.48/264,566,019.08 = 105,776,035.49/x
  3. Step 3: Cross multiply
    191,705,915.48x = 264,566,019.08 × 105,776,035.49
  4. Step 4: Simplify right side
    191,705,915.48x = 27,984,744,623,654,096
  5. Step 5: Solve for x
    x = 27,984,744,623,654,096/191,705,915.48
  6. Step 6: Final answer
    x = 145,977,470.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.