Home / 66,434,737.80-99,652,106.70-55,685,195.40

Finding the Fourth Proportional to 66,434,737.80, 99,652,106.70 and 55,685,195.40

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Solution

The fourth proportional to 66,434,737.80, 99,652,106.70 and 55,685,195.40 is: 83,527,793.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,434,737.80 : 99,652,106.70 = 55,685,195.40 : x
  2. Step 2: Convert to fraction form
    66,434,737.80/99,652,106.70 = 55,685,195.40/x
  3. Step 3: Cross multiply
    66,434,737.80x = 99,652,106.70 × 55,685,195.40
  4. Step 4: Simplify right side
    66,434,737.80x = 5,549,147,033,611,149
  5. Step 5: Solve for x
    x = 5,549,147,033,611,149/66,434,737.80
  6. Step 6: Final answer
    x = 83,527,793.10

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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.