Home / 97,085,109.20-145,627,663.80-87,343,336.40

Finding the Fourth Proportional to 97,085,109.20, 145,627,663.80 and 87,343,336.40

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Solution

The fourth proportional to 97,085,109.20, 145,627,663.80 and 87,343,336.40 is: 131,015,004.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,085,109.20 : 145,627,663.80 = 87,343,336.40 : x
  2. Step 2: Convert to fraction form
    97,085,109.20/145,627,663.80 = 87,343,336.40/x
  3. Step 3: Cross multiply
    97,085,109.20x = 145,627,663.80 × 87,343,336.40
  4. Step 4: Simplify right side
    97,085,109.20x = 12,719,606,028,429,504
  5. Step 5: Solve for x
    x = 12,719,606,028,429,504/97,085,109.20
  6. Step 6: Final answer
    x = 131,015,004.60

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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.