Home / 102,675,392.64-141,692,140.80-56,265,749.76

Finding the Fourth Proportional to 102,675,392.64, 141,692,140.80 and 56,265,749.76

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Solution

The fourth proportional to 102,675,392.64, 141,692,140.80 and 56,265,749.76 is: 77,646,788.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,675,392.64 : 141,692,140.80 = 56,265,749.76 : x
  2. Step 2: Convert to fraction form
    102,675,392.64/141,692,140.80 = 56,265,749.76/x
  3. Step 3: Cross multiply
    102,675,392.64x = 141,692,140.80 × 56,265,749.76
  4. Step 4: Simplify right side
    102,675,392.64x = 7,972,414,537,211,487
  5. Step 5: Solve for x
    x = 7,972,414,537,211,487/102,675,392.64
  6. Step 6: Final answer
    x = 77,646,788.90

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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.