Home / 81,014,071.62-121,571,495.91-59,116,078.02

Finding the Fourth Proportional to 81,014,071.62, 121,571,495.91 and 59,116,078.02

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Solution

The fourth proportional to 81,014,071.62, 121,571,495.91 and 59,116,078.02 is: 88,710,885.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,014,071.62 : 121,571,495.91 = 59,116,078.02 : x
  2. Step 2: Convert to fraction form
    81,014,071.62/121,571,495.91 = 59,116,078.02/x
  3. Step 3: Cross multiply
    81,014,071.62x = 121,571,495.91 × 59,116,078.02
  4. Step 4: Simplify right side
    81,014,071.62x = 7,186,830,036,928,091
  5. Step 5: Solve for x
    x = 7,186,830,036,928,091/81,014,071.62
  6. Step 6: Final answer
    x = 88,710,885.57

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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.