Home / 306,920,581.48-423,545,397.06-167,688,346.60

Finding the Fourth Proportional to 306,920,581.48, 423,545,397.06 and 167,688,346.60

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Solution

The fourth proportional to 306,920,581.48, 423,545,397.06 and 167,688,346.60 is: 231,407,183.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,920,581.48 : 423,545,397.06 = 167,688,346.60 : x
  2. Step 2: Convert to fraction form
    306,920,581.48/423,545,397.06 = 167,688,346.60/x
  3. Step 3: Cross multiply
    306,920,581.48x = 423,545,397.06 × 167,688,346.60
  4. Step 4: Simplify right side
    306,920,581.48x = 71,023,627,343,031,896
  5. Step 5: Solve for x
    x = 71,023,627,343,031,896/306,920,581.48
  6. Step 6: Final answer
    x = 231,407,183.58

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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.