Home / 70,688,477.36-97,550,996.50-38,902,306.67

Finding the Fourth Proportional to 70,688,477.36, 97,550,996.50 and 38,902,306.67

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Solution

The fourth proportional to 70,688,477.36, 97,550,996.50 and 38,902,306.67 is: 53,685,677.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,688,477.36 : 97,550,996.50 = 38,902,306.67 : x
  2. Step 2: Convert to fraction form
    70,688,477.36/97,550,996.50 = 38,902,306.67/x
  3. Step 3: Cross multiply
    70,688,477.36x = 97,550,996.50 × 38,902,306.67
  4. Step 4: Simplify right side
    70,688,477.36x = 3,794,958,781,612,585.50
  5. Step 5: Solve for x
    x = 3,794,958,781,612,585.50/70,688,477.36
  6. Step 6: Final answer
    x = 53,685,677.26

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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.