Home / 121,602,685.23-182,459,609.74-66,187,504.60

Finding the Fourth Proportional to 121,602,685.23, 182,459,609.74 and 66,187,504.60

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Solution

The fourth proportional to 121,602,685.23, 182,459,609.74 and 66,187,504.60 is: 99,311,509.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,602,685.23 : 182,459,609.74 = 66,187,504.60 : x
  2. Step 2: Convert to fraction form
    121,602,685.23/182,459,609.74 = 66,187,504.60/x
  3. Step 3: Cross multiply
    121,602,685.23x = 182,459,609.74 × 66,187,504.60
  4. Step 4: Simplify right side
    121,602,685.23x = 12,076,546,258,607,040
  5. Step 5: Solve for x
    x = 12,076,546,258,607,040/121,602,685.23
  6. Step 6: Final answer
    x = 99,311,509.74

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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.