Home / 191,020,199.40-286,530,299.10-132,569,562.60

Finding the Fourth Proportional to 191,020,199.40, 286,530,299.10 and 132,569,562.60

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Solution

The fourth proportional to 191,020,199.40, 286,530,299.10 and 132,569,562.60 is: 198,854,343.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,020,199.40 : 286,530,299.10 = 132,569,562.60 : x
  2. Step 2: Convert to fraction form
    191,020,199.40/286,530,299.10 = 132,569,562.60/x
  3. Step 3: Cross multiply
    191,020,199.40x = 286,530,299.10 × 132,569,562.60
  4. Step 4: Simplify right side
    191,020,199.40x = 37,985,196,423,334,176
  5. Step 5: Solve for x
    x = 37,985,196,423,334,176/191,020,199.40
  6. Step 6: Final answer
    x = 198,854,343.90

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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.