Home / 127,379,679.02-190,819,813.50-66,009,095.32

Finding the Fourth Proportional to 127,379,679.02, 190,819,813.50 and 66,009,095.32

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Solution

The fourth proportional to 127,379,679.02, 190,819,813.50 and 66,009,095.32 is: 98,884,243.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,379,679.02 : 190,819,813.50 = 66,009,095.32 : x
  2. Step 2: Convert to fraction form
    127,379,679.02/190,819,813.50 = 66,009,095.32/x
  3. Step 3: Cross multiply
    127,379,679.02x = 190,819,813.50 × 66,009,095.32
  4. Step 4: Simplify right side
    127,379,679.02x = 12,595,843,258,266,122
  5. Step 5: Solve for x
    x = 12,595,843,258,266,122/127,379,679.02
  6. Step 6: Final answer
    x = 98,884,243.98

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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.