Home / 130,824,704.84-180,529,956.75-72,084,082.77

Finding the Fourth Proportional to 130,824,704.84, 180,529,956.75 and 72,084,082.77

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Solution

The fourth proportional to 130,824,704.84, 180,529,956.75 and 72,084,082.77 is: 99,471,551.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,824,704.84 : 180,529,956.75 = 72,084,082.77 : x
  2. Step 2: Convert to fraction form
    130,824,704.84/180,529,956.75 = 72,084,082.77/x
  3. Step 3: Cross multiply
    130,824,704.84x = 180,529,956.75 × 72,084,082.77
  4. Step 4: Simplify right side
    130,824,704.84x = 13,013,336,344,831,520
  5. Step 5: Solve for x
    x = 13,013,336,344,831,520/130,824,704.84
  6. Step 6: Final answer
    x = 99,471,551.35

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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.