Home / 145,156,780.60-217,735,170.90-64,535,212.60

Finding the Fourth Proportional to 145,156,780.60, 217,735,170.90 and 64,535,212.60

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Solution

The fourth proportional to 145,156,780.60, 217,735,170.90 and 64,535,212.60 is: 96,802,818.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,156,780.60 : 217,735,170.90 = 64,535,212.60 : x
  2. Step 2: Convert to fraction form
    145,156,780.60/217,735,170.90 = 64,535,212.60/x
  3. Step 3: Cross multiply
    145,156,780.60x = 217,735,170.90 × 64,535,212.60
  4. Step 4: Simplify right side
    145,156,780.60x = 14,051,585,544,528,834
  5. Step 5: Solve for x
    x = 14,051,585,544,528,834/145,156,780.60
  6. Step 6: Final answer
    x = 96,802,818.90

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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.