Home / 119,762,027.70-179,643,041.55-81,498,275.70

Finding the Fourth Proportional to 119,762,027.70, 179,643,041.55 and 81,498,275.70

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Solution

The fourth proportional to 119,762,027.70, 179,643,041.55 and 81,498,275.70 is: 122,247,413.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,762,027.70 : 179,643,041.55 = 81,498,275.70 : x
  2. Step 2: Convert to fraction form
    119,762,027.70/179,643,041.55 = 81,498,275.70/x
  3. Step 3: Cross multiply
    119,762,027.70x = 179,643,041.55 × 81,498,275.70
  4. Step 4: Simplify right side
    119,762,027.70x = 14,640,598,127,828,456
  5. Step 5: Solve for x
    x = 14,640,598,127,828,456/119,762,027.70
  6. Step 6: Final answer
    x = 122,247,413.55

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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.