Home / 210,372,214.11-290,308,085.69-117,553,484.67

Finding the Fourth Proportional to 210,372,214.11, 290,308,085.69 and 117,553,484.67

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Solution

The fourth proportional to 210,372,214.11, 290,308,085.69 and 117,553,484.67 is: 162,220,696.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,372,214.11 : 290,308,085.69 = 117,553,484.67 : x
  2. Step 2: Convert to fraction form
    210,372,214.11/290,308,085.69 = 117,553,484.67/x
  3. Step 3: Cross multiply
    210,372,214.11x = 290,308,085.69 × 117,553,484.67
  4. Step 4: Simplify right side
    210,372,214.11x = 34,126,727,100,148,696
  5. Step 5: Solve for x
    x = 34,126,727,100,148,696/210,372,214.11
  6. Step 6: Final answer
    x = 162,220,696.51

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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.