Home / 159,089,929.56-219,518,807.19-89,461,863.81

Finding the Fourth Proportional to 159,089,929.56, 219,518,807.19 and 89,461,863.81

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Solution

The fourth proportional to 159,089,929.56, 219,518,807.19 and 89,461,863.81 is: 123,443,147.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,089,929.56 : 219,518,807.19 = 89,461,863.81 : x
  2. Step 2: Convert to fraction form
    159,089,929.56/219,518,807.19 = 89,461,863.81/x
  3. Step 3: Cross multiply
    159,089,929.56x = 219,518,807.19 × 89,461,863.81
  4. Step 4: Simplify right side
    159,089,929.56x = 19,638,561,632,565,428
  5. Step 5: Solve for x
    x = 19,638,561,632,565,428/159,089,929.56
  6. Step 6: Final answer
    x = 123,443,147.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.