Home / 127,175,056.80-190,762,585.20-31,436,944.80

Finding the Fourth Proportional to 127,175,056.80, 190,762,585.20 and 31,436,944.80

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Solution

The fourth proportional to 127,175,056.80, 190,762,585.20 and 31,436,944.80 is: 47,155,417.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,175,056.80 : 190,762,585.20 = 31,436,944.80 : x
  2. Step 2: Convert to fraction form
    127,175,056.80/190,762,585.20 = 31,436,944.80/x
  3. Step 3: Cross multiply
    127,175,056.80x = 190,762,585.20 × 31,436,944.80
  4. Step 4: Simplify right side
    127,175,056.80x = 5,996,992,860,837,697
  5. Step 5: Solve for x
    x = 5,996,992,860,837,697/127,175,056.80
  6. Step 6: Final answer
    x = 47,155,417.20

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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.