Home / 92,730,459.20-139,095,688.80-52,419,675.20

Finding the Fourth Proportional to 92,730,459.20, 139,095,688.80 and 52,419,675.20

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Solution

The fourth proportional to 92,730,459.20, 139,095,688.80 and 52,419,675.20 is: 78,629,512.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,730,459.20 : 139,095,688.80 = 52,419,675.20 : x
  2. Step 2: Convert to fraction form
    92,730,459.20/139,095,688.80 = 52,419,675.20/x
  3. Step 3: Cross multiply
    92,730,459.20x = 139,095,688.80 × 52,419,675.20
  4. Step 4: Simplify right side
    92,730,459.20x = 7,291,350,828,616,279
  5. Step 5: Solve for x
    x = 7,291,350,828,616,279/92,730,459.20
  6. Step 6: Final answer
    x = 78,629,512.80

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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.