Home / 191,648,000.40-287,472,000.60-159,336,387.60

Finding the Fourth Proportional to 191,648,000.40, 287,472,000.60 and 159,336,387.60

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Solution

The fourth proportional to 191,648,000.40, 287,472,000.60 and 159,336,387.60 is: 239,004,581.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,648,000.40 : 287,472,000.60 = 159,336,387.60 : x
  2. Step 2: Convert to fraction form
    191,648,000.40/287,472,000.60 = 159,336,387.60/x
  3. Step 3: Cross multiply
    191,648,000.40x = 287,472,000.60 × 159,336,387.60
  4. Step 4: Simplify right side
    191,648,000.40x = 45,804,750,111,749,032
  5. Step 5: Solve for x
    x = 45,804,750,111,749,032/191,648,000.40
  6. Step 6: Final answer
    x = 239,004,581.40

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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.