Home / 210,662,370.38-316,118,390.37-117,367,430.57

Finding the Fourth Proportional to 210,662,370.38, 316,118,390.37 and 117,367,430.57

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Solution

The fourth proportional to 210,662,370.38, 316,118,390.37 and 117,367,430.57 is: 176,120,695.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,662,370.38 : 316,118,390.37 = 117,367,430.57 : x
  2. Step 2: Convert to fraction form
    210,662,370.38/316,118,390.37 = 117,367,430.57/x
  3. Step 3: Cross multiply
    210,662,370.38x = 316,118,390.37 × 117,367,430.57
  4. Step 4: Simplify right side
    210,662,370.38x = 37,102,003,232,070,536
  5. Step 5: Solve for x
    x = 37,102,003,232,070,536/210,662,370.38
  6. Step 6: Final answer
    x = 176,120,695.72

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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.