Home / 196,128,974.70-293,662,620.45-153,661,646.70

Finding the Fourth Proportional to 196,128,974.70, 293,662,620.45 and 153,661,646.70

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Solution

The fourth proportional to 196,128,974.70, 293,662,620.45 and 153,661,646.70 is: 230,076,570.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,128,974.70 : 293,662,620.45 = 153,661,646.70 : x
  2. Step 2: Convert to fraction form
    196,128,974.70/293,662,620.45 = 153,661,646.70/x
  3. Step 3: Cross multiply
    196,128,974.70x = 293,662,620.45 × 153,661,646.70
  4. Step 4: Simplify right side
    196,128,974.70x = 45,124,681,832,584,088
  5. Step 5: Solve for x
    x = 45,124,681,832,584,088/196,128,974.70
  6. Step 6: Final answer
    x = 230,076,570.29

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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.