Home / 145,189,812,745.71-200,362,564,497.85-79,197,425,606.62

Finding the Fourth Proportional to 145,189,812,745.71, 200,362,564,497.85 and 79,197,425,606.62

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Solution

The fourth proportional to 145,189,812,745.71, 200,362,564,497.85 and 79,197,425,606.62 is: 109,292,787,118.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,189,812,745.71 : 200,362,564,497.85 = 79,197,425,606.62 : x
  2. Step 2: Convert to fraction form
    145,189,812,745.71/200,362,564,497.85 = 79,197,425,606.62/x
  3. Step 3: Cross multiply
    145,189,812,745.71x = 200,362,564,497.85 × 79,197,425,606.62
  4. Step 4: Simplify right side
    145,189,812,745.71x = 15,868,199,296,170,077,454,336
  5. Step 5: Solve for x
    x = 15,868,199,296,170,077,454,336/145,189,812,745.71
  6. Step 6: Final answer
    x = 109,292,787,118.35

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1.5x scale

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.