Home / 51,373,508.94-70,905,741.81-30,477,140.40

Finding the Fourth Proportional to 51,373,508.94, 70,905,741.81 and 30,477,140.40

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Solution

The fourth proportional to 51,373,508.94, 70,905,741.81 and 30,477,140.40 is: 42,064,563.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,373,508.94 : 70,905,741.81 = 30,477,140.40 : x
  2. Step 2: Convert to fraction form
    51,373,508.94/70,905,741.81 = 30,477,140.40/x
  3. Step 3: Cross multiply
    51,373,508.94x = 70,905,741.81 × 30,477,140.40
  4. Step 4: Simplify right side
    51,373,508.94x = 2,161,004,248,309,520
  5. Step 5: Solve for x
    x = 2,161,004,248,309,520/51,373,508.94
  6. Step 6: Final answer
    x = 42,064,563.88

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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.