Home / 143,400,502,368.22-197,910,046,192.64-81,616,094,004.40

Finding the Fourth Proportional to 143,400,502,368.22, 197,910,046,192.64 and 81,616,094,004.40

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Solution

The fourth proportional to 143,400,502,368.22, 197,910,046,192.64 and 81,616,094,004.40 is: 112,640,086,106.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,400,502,368.22 : 197,910,046,192.64 = 81,616,094,004.40 : x
  2. Step 2: Convert to fraction form
    143,400,502,368.22/197,910,046,192.64 = 81,616,094,004.40/x
  3. Step 3: Cross multiply
    143,400,502,368.22x = 197,910,046,192.64 × 81,616,094,004.40
  4. Step 4: Simplify right side
    143,400,502,368.22x = 16,152,644,934,473,653,157,888
  5. Step 5: Solve for x
    x = 16,152,644,934,473,653,157,888/143,400,502,368.22
  6. Step 6: Final answer
    x = 112,640,086,106.51

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1.5x scale

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.