Home / 128,057,580.90-192,026,569.05-46,165,673.70

Finding the Fourth Proportional to 128,057,580.90, 192,026,569.05 and 46,165,673.70

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Solution

The fourth proportional to 128,057,580.90, 192,026,569.05 and 46,165,673.70 is: 69,226,951.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,057,580.90 : 192,026,569.05 = 46,165,673.70 : x
  2. Step 2: Convert to fraction form
    128,057,580.90/192,026,569.05 = 46,165,673.70/x
  3. Step 3: Cross multiply
    128,057,580.90x = 192,026,569.05 × 46,165,673.70
  4. Step 4: Simplify right side
    128,057,580.90x = 8,865,035,928,492,820
  5. Step 5: Solve for x
    x = 8,865,035,928,492,820/128,057,580.90
  6. Step 6: Final answer
    x = 69,226,951.39

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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.