Home / 111,024,022.60-166,536,033.90-72,056,931.40

Finding the Fourth Proportional to 111,024,022.60, 166,536,033.90 and 72,056,931.40

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Solution

The fourth proportional to 111,024,022.60, 166,536,033.90 and 72,056,931.40 is: 108,085,397.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,024,022.60 : 166,536,033.90 = 72,056,931.40 : x
  2. Step 2: Convert to fraction form
    111,024,022.60/166,536,033.90 = 72,056,931.40/x
  3. Step 3: Cross multiply
    111,024,022.60x = 166,536,033.90 × 72,056,931.40
  4. Step 4: Simplify right side
    111,024,022.60x = 12,000,075,570,360,376
  5. Step 5: Solve for x
    x = 12,000,075,570,360,376/111,024,022.60
  6. Step 6: Final answer
    x = 108,085,397.10

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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.