Home / 191,459,039.67-264,220,522.23-106,693,775.78

Finding the Fourth Proportional to 191,459,039.67, 264,220,522.23 and 106,693,775.78

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Solution

The fourth proportional to 191,459,039.67, 264,220,522.23 and 106,693,775.78 is: 147,241,337.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,459,039.67 : 264,220,522.23 = 106,693,775.78 : x
  2. Step 2: Convert to fraction form
    191,459,039.67/264,220,522.23 = 106,693,775.78/x
  3. Step 3: Cross multiply
    191,459,039.67x = 264,220,522.23 × 106,693,775.78
  4. Step 4: Simplify right side
    191,459,039.67x = 28,190,685,153,961,024
  5. Step 5: Solve for x
    x = 28,190,685,153,961,024/191,459,039.67
  6. Step 6: Final answer
    x = 147,241,337.90

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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.