Home / 93,312,820.70-139,969,231.05-70,638,004.70

Finding the Fourth Proportional to 93,312,820.70, 139,969,231.05 and 70,638,004.70

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Solution

The fourth proportional to 93,312,820.70, 139,969,231.05 and 70,638,004.70 is: 105,957,007.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,312,820.70 : 139,969,231.05 = 70,638,004.70 : x
  2. Step 2: Convert to fraction form
    93,312,820.70/139,969,231.05 = 70,638,004.70/x
  3. Step 3: Cross multiply
    93,312,820.70x = 139,969,231.05 × 70,638,004.70
  4. Step 4: Simplify right side
    93,312,820.70x = 9,887,147,200,765,288
  5. Step 5: Solve for x
    x = 9,887,147,200,765,288/93,312,820.70
  6. Step 6: Final answer
    x = 105,957,007.05

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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.