Home / 126,388,736.67-174,421,843.16-70,634,155.40

Finding the Fourth Proportional to 126,388,736.67, 174,421,843.16 and 70,634,155.40

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Solution

The fourth proportional to 126,388,736.67, 174,421,843.16 and 70,634,155.40 is: 97,478,144.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,388,736.67 : 174,421,843.16 = 70,634,155.40 : x
  2. Step 2: Convert to fraction form
    126,388,736.67/174,421,843.16 = 70,634,155.40/x
  3. Step 3: Cross multiply
    126,388,736.67x = 174,421,843.16 × 70,634,155.40
  4. Step 4: Simplify right side
    126,388,736.67x = 12,320,139,573,692,586
  5. Step 5: Solve for x
    x = 12,320,139,573,692,586/126,388,736.67
  6. Step 6: Final answer
    x = 97,478,144.80

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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.