Home / 127,315,336.42-190,592,359.84-77,975,835.22

Finding the Fourth Proportional to 127,315,336.42, 190,592,359.84 and 77,975,835.22

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Solution

The fourth proportional to 127,315,336.42, 190,592,359.84 and 77,975,835.22 is: 116,730,622.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,315,336.42 : 190,592,359.84 = 77,975,835.22 : x
  2. Step 2: Convert to fraction form
    127,315,336.42/190,592,359.84 = 77,975,835.22/x
  3. Step 3: Cross multiply
    127,315,336.42x = 190,592,359.84 × 77,975,835.22
  4. Step 4: Simplify right side
    127,315,336.42x = 14,861,598,445,074,786
  5. Step 5: Solve for x
    x = 14,861,598,445,074,786/127,315,336.42
  6. Step 6: Final answer
    x = 116,730,622.27

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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.