Home / 191,729,423.20-287,594,134.80-181,903,669.60

Finding the Fourth Proportional to 191,729,423.20, 287,594,134.80 and 181,903,669.60

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Solution

The fourth proportional to 191,729,423.20, 287,594,134.80 and 181,903,669.60 is: 272,855,504.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,729,423.20 : 287,594,134.80 = 181,903,669.60 : x
  2. Step 2: Convert to fraction form
    191,729,423.20/287,594,134.80 = 181,903,669.60/x
  3. Step 3: Cross multiply
    191,729,423.20x = 287,594,134.80 × 181,903,669.60
  4. Step 4: Simplify right side
    191,729,423.20x = 52,314,428,475,557,064
  5. Step 5: Solve for x
    x = 52,314,428,475,557,064/191,729,423.20
  6. Step 6: Final answer
    x = 272,855,504.40

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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.