Home / 127,872,384.60-191,833,460.10-55,089,024.60

Finding the Fourth Proportional to 127,872,384.60, 191,833,460.10 and 55,089,024.60

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Solution

The fourth proportional to 127,872,384.60, 191,833,460.10 and 55,089,024.60 is: 82,644,256.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,872,384.60 : 191,833,460.10 = 55,089,024.60 : x
  2. Step 2: Convert to fraction form
    127,872,384.60/191,833,460.10 = 55,089,024.60/x
  3. Step 3: Cross multiply
    127,872,384.60x = 191,833,460.10 × 55,089,024.60
  4. Step 4: Simplify right side
    127,872,384.60x = 10,567,918,202,552,018
  5. Step 5: Solve for x
    x = 10,567,918,202,552,018/127,872,384.60
  6. Step 6: Final answer
    x = 82,644,256.89

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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.