Home / 85,056,008.40-127,584,012.60-73,112,072.40

Finding the Fourth Proportional to 85,056,008.40, 127,584,012.60 and 73,112,072.40

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Solution

The fourth proportional to 85,056,008.40, 127,584,012.60 and 73,112,072.40 is: 109,668,108.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,056,008.40 : 127,584,012.60 = 73,112,072.40 : x
  2. Step 2: Convert to fraction form
    85,056,008.40/127,584,012.60 = 73,112,072.40/x
  3. Step 3: Cross multiply
    85,056,008.40x = 127,584,012.60 × 73,112,072.40
  4. Step 4: Simplify right side
    85,056,008.40x = 9,327,931,566,293,712
  5. Step 5: Solve for x
    x = 9,327,931,566,293,712/85,056,008.40
  6. Step 6: Final answer
    x = 109,668,108.60

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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.