Home / 118,675,109.80-178,012,664.70-116,549,345.80

Finding the Fourth Proportional to 118,675,109.80, 178,012,664.70 and 116,549,345.80

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Solution

The fourth proportional to 118,675,109.80, 178,012,664.70 and 116,549,345.80 is: 174,824,018.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,675,109.80 : 178,012,664.70 = 116,549,345.80 : x
  2. Step 2: Convert to fraction form
    118,675,109.80/178,012,664.70 = 116,549,345.80/x
  3. Step 3: Cross multiply
    118,675,109.80x = 178,012,664.70 × 116,549,345.80
  4. Step 4: Simplify right side
    118,675,109.80x = 20,747,259,614,899,752
  5. Step 5: Solve for x
    x = 20,747,259,614,899,752/118,675,109.80
  6. Step 6: Final answer
    x = 174,824,018.70

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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.