Home / 212,590,140.10-293,374,391.61-114,804,987.46

Finding the Fourth Proportional to 212,590,140.10, 293,374,391.61 and 114,804,987.46

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Solution

The fourth proportional to 212,590,140.10, 293,374,391.61 and 114,804,987.46 is: 158,430,881.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,590,140.10 : 293,374,391.61 = 114,804,987.46 : x
  2. Step 2: Convert to fraction form
    212,590,140.10/293,374,391.61 = 114,804,987.46/x
  3. Step 3: Cross multiply
    212,590,140.10x = 293,374,391.61 × 114,804,987.46
  4. Step 4: Simplify right side
    212,590,140.10x = 33,680,843,349,871,180
  5. Step 5: Solve for x
    x = 33,680,843,349,871,180/212,590,140.10
  6. Step 6: Final answer
    x = 158,430,881.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.