Home / 123,898,031.40-185,847,047.10-75,525,090.60

Finding the Fourth Proportional to 123,898,031.40, 185,847,047.10 and 75,525,090.60

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Solution

The fourth proportional to 123,898,031.40, 185,847,047.10 and 75,525,090.60 is: 113,287,635.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,898,031.40 : 185,847,047.10 = 75,525,090.60 : x
  2. Step 2: Convert to fraction form
    123,898,031.40/185,847,047.10 = 75,525,090.60/x
  3. Step 3: Cross multiply
    123,898,031.40x = 185,847,047.10 × 75,525,090.60
  4. Step 4: Simplify right side
    123,898,031.40x = 14,036,115,069,969,966
  5. Step 5: Solve for x
    x = 14,036,115,069,969,966/123,898,031.40
  6. Step 6: Final answer
    x = 113,287,635.90

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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.