Home / 128,057,581.90-192,026,570.55-46,165,674.70

Finding the Fourth Proportional to 128,057,581.90, 192,026,570.55 and 46,165,674.70

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Solution

The fourth proportional to 128,057,581.90, 192,026,570.55 and 46,165,674.70 is: 69,226,952.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,057,581.90 : 192,026,570.55 = 46,165,674.70 : x
  2. Step 2: Convert to fraction form
    128,057,581.90/192,026,570.55 = 46,165,674.70/x
  3. Step 3: Cross multiply
    128,057,581.90x = 192,026,570.55 × 46,165,674.70
  4. Step 4: Simplify right side
    128,057,581.90x = 8,865,036,189,767,901
  5. Step 5: Solve for x
    x = 8,865,036,189,767,901/128,057,581.90
  6. Step 6: Final answer
    x = 69,226,952.89

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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.