Home / 123,136,749.52-184,709,848.32-54,980,031.76

Finding the Fourth Proportional to 123,136,749.52, 184,709,848.32 and 54,980,031.76

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Solution

The fourth proportional to 123,136,749.52, 184,709,848.32 and 54,980,031.76 is: 82,472,156.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,136,749.52 : 184,709,848.32 = 54,980,031.76 : x
  2. Step 2: Convert to fraction form
    123,136,749.52/184,709,848.32 = 54,980,031.76/x
  3. Step 3: Cross multiply
    123,136,749.52x = 184,709,848.32 × 54,980,031.76
  4. Step 4: Simplify right side
    123,136,749.52x = 10,155,353,327,018,382
  5. Step 5: Solve for x
    x = 10,155,353,327,018,382/123,136,749.52
  6. Step 6: Final answer
    x = 82,472,156.90

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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.