Home / 127,379,671.94-190,819,802.87-66,009,088.22

Finding the Fourth Proportional to 127,379,671.94, 190,819,802.87 and 66,009,088.22

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Solution

The fourth proportional to 127,379,671.94, 190,819,802.87 and 66,009,088.22 is: 98,884,233.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,379,671.94 : 190,819,802.87 = 66,009,088.22 : x
  2. Step 2: Convert to fraction form
    127,379,671.94/190,819,802.87 = 66,009,088.22/x
  3. Step 3: Cross multiply
    127,379,671.94x = 190,819,802.87 × 66,009,088.22
  4. Step 4: Simplify right side
    127,379,671.94x = 12,595,841,200,484,696
  5. Step 5: Solve for x
    x = 12,595,841,200,484,696/127,379,671.94
  6. Step 6: Final answer
    x = 98,884,233.33

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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.