Home / 70,688,479.36-97,550,999.26-38,902,308.67

Finding the Fourth Proportional to 70,688,479.36, 97,550,999.26 and 38,902,308.67

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Solution

The fourth proportional to 70,688,479.36, 97,550,999.26 and 38,902,308.67 is: 53,685,680.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,688,479.36 : 97,550,999.26 = 38,902,308.67 : x
  2. Step 2: Convert to fraction form
    70,688,479.36/97,550,999.26 = 38,902,308.67/x
  3. Step 3: Cross multiply
    70,688,479.36x = 97,550,999.26 × 38,902,308.67
  4. Step 4: Simplify right side
    70,688,479.36x = 3,794,959,084,279,462
  5. Step 5: Solve for x
    x = 3,794,959,084,279,462/70,688,479.36
  6. Step 6: Final answer
    x = 53,685,680.02

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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.