Home / 285,153,886.40-427,822,946.24-131,900,473.92

Finding the Fourth Proportional to 285,153,886.40, 427,822,946.24 and 131,900,473.92

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Solution

The fourth proportional to 285,153,886.40, 427,822,946.24 and 131,900,473.92 is: 197,893,320.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,153,886.40 : 427,822,946.24 = 131,900,473.92 : x
  2. Step 2: Convert to fraction form
    285,153,886.40/427,822,946.24 = 131,900,473.92/x
  3. Step 3: Cross multiply
    285,153,886.40x = 427,822,946.24 × 131,900,473.92
  4. Step 4: Simplify right side
    285,153,886.40x = 56,430,049,362,906,688
  5. Step 5: Solve for x
    x = 56,430,049,362,906,688/285,153,886.40
  6. Step 6: Final answer
    x = 197,893,320.25

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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.