Home / 200,110,688.40-300,166,032.60-131,457,368.55

Finding the Fourth Proportional to 200,110,688.40, 300,166,032.60 and 131,457,368.55

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Solution

The fourth proportional to 200,110,688.40, 300,166,032.60 and 131,457,368.55 is: 197,186,052.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,110,688.40 : 300,166,032.60 = 131,457,368.55 : x
  2. Step 2: Convert to fraction form
    200,110,688.40/300,166,032.60 = 131,457,368.55/x
  3. Step 3: Cross multiply
    200,110,688.40x = 300,166,032.60 × 131,457,368.55
  4. Step 4: Simplify right side
    200,110,688.40x = 39,459,036,773,689,520
  5. Step 5: Solve for x
    x = 39,459,036,773,689,520/200,110,688.40
  6. Step 6: Final answer
    x = 197,186,052.83

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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.