Home / 97,159,431.40-145,718,151.90-42,571,911.40

Finding the Fourth Proportional to 97,159,431.40, 145,718,151.90 and 42,571,911.40

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Solution

The fourth proportional to 97,159,431.40, 145,718,151.90 and 42,571,911.40 is: 63,848,667.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,159,431.40 : 145,718,151.90 = 42,571,911.40 : x
  2. Step 2: Convert to fraction form
    97,159,431.40/145,718,151.90 = 42,571,911.40/x
  3. Step 3: Cross multiply
    97,159,431.40x = 145,718,151.90 × 42,571,911.40
  4. Step 4: Simplify right side
    97,159,431.40x = 6,203,500,252,058,542
  5. Step 5: Solve for x
    x = 6,203,500,252,058,542/97,159,431.40
  6. Step 6: Final answer
    x = 63,848,667.73

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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.