Home / 143,400,502,382.16-197,910,046,211.88-81,616,094,018.28

Finding the Fourth Proportional to 143,400,502,382.16, 197,910,046,211.88 and 81,616,094,018.28

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Solution

The fourth proportional to 143,400,502,382.16, 197,910,046,211.88 and 81,616,094,018.28 is: 112,640,086,125.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,400,502,382.16 : 197,910,046,211.88 = 81,616,094,018.28 : x
  2. Step 2: Convert to fraction form
    143,400,502,382.16/197,910,046,211.88 = 81,616,094,018.28/x
  3. Step 3: Cross multiply
    143,400,502,382.16x = 197,910,046,211.88 × 81,616,094,018.28
  4. Step 4: Simplify right side
    143,400,502,382.16x = 16,152,644,938,790,938,345,472
  5. Step 5: Solve for x
    x = 16,152,644,938,790,938,345,472/143,400,502,382.16
  6. Step 6: Final answer
    x = 112,640,086,125.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.