Home / 126,142,646.76-174,036,091.32-70,379,026.20

Finding the Fourth Proportional to 126,142,646.76, 174,036,091.32 and 70,379,026.20

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Solution

The fourth proportional to 126,142,646.76, 174,036,091.32 and 70,379,026.20 is: 97,100,314.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,142,646.76 : 174,036,091.32 = 70,379,026.20 : x
  2. Step 2: Convert to fraction form
    126,142,646.76/174,036,091.32 = 70,379,026.20/x
  3. Step 3: Cross multiply
    126,142,646.76x = 174,036,091.32 × 70,379,026.20
  4. Step 4: Simplify right side
    126,142,646.76x = 12,248,490,630,755,872
  5. Step 5: Solve for x
    x = 12,248,490,630,755,872/126,142,646.76
  6. Step 6: Final answer
    x = 97,100,314.17

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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.