Home / 203,423,179,631.51-305,134,769,447.28-61,931,477,485.91

Finding the Fourth Proportional to 203,423,179,631.51, 305,134,769,447.28 and 61,931,477,485.91

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Solution

The fourth proportional to 203,423,179,631.51, 305,134,769,447.28 and 61,931,477,485.91 is: 92,897,216,228.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,423,179,631.51 : 305,134,769,447.28 = 61,931,477,485.91 : x
  2. Step 2: Convert to fraction form
    203,423,179,631.51/305,134,769,447.28 = 61,931,477,485.91/x
  3. Step 3: Cross multiply
    203,423,179,631.51x = 305,134,769,447.28 × 61,931,477,485.91
  4. Step 4: Simplify right side
    203,423,179,631.51x = 18,897,447,104,193,478,262,784
  5. Step 5: Solve for x
    x = 18,897,447,104,193,478,262,784/203,423,179,631.51
  6. Step 6: Final answer
    x = 92,897,216,228.87

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1.5x scale

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.