Home / 74,871,755.10-112,307,632.65-71,092,619.10

Finding the Fourth Proportional to 74,871,755.10, 112,307,632.65 and 71,092,619.10

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Solution

The fourth proportional to 74,871,755.10, 112,307,632.65 and 71,092,619.10 is: 106,638,928.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,871,755.10 : 112,307,632.65 = 71,092,619.10 : x
  2. Step 2: Convert to fraction form
    74,871,755.10/112,307,632.65 = 71,092,619.10/x
  3. Step 3: Cross multiply
    74,871,755.10x = 112,307,632.65 × 71,092,619.10
  4. Step 4: Simplify right side
    74,871,755.10x = 7,984,243,750,009,173
  5. Step 5: Solve for x
    x = 7,984,243,750,009,173/74,871,755.10
  6. Step 6: Final answer
    x = 106,638,928.65

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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.