Home / 126,372,855.30-189,559,282.95-104,831,780.10

Finding the Fourth Proportional to 126,372,855.30, 189,559,282.95 and 104,831,780.10

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Solution

The fourth proportional to 126,372,855.30, 189,559,282.95 and 104,831,780.10 is: 157,247,670.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,372,855.30 : 189,559,282.95 = 104,831,780.10 : x
  2. Step 2: Convert to fraction form
    126,372,855.30/189,559,282.95 = 104,831,780.10/x
  3. Step 3: Cross multiply
    126,372,855.30x = 189,559,282.95 × 104,831,780.10
  4. Step 4: Simplify right side
    126,372,855.30x = 19,871,837,066,128,076
  5. Step 5: Solve for x
    x = 19,871,837,066,128,076/126,372,855.30
  6. Step 6: Final answer
    x = 157,247,670.15

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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.