Home / 85,839,476.70-128,782,024.65-37,296,500.70

Finding the Fourth Proportional to 85,839,476.70, 128,782,024.65 and 37,296,500.70

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Solution

The fourth proportional to 85,839,476.70, 128,782,024.65 and 37,296,500.70 is: 55,954,661.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,839,476.70 : 128,782,024.65 = 37,296,500.70 : x
  2. Step 2: Convert to fraction form
    85,839,476.70/128,782,024.65 = 37,296,500.70/x
  3. Step 3: Cross multiply
    85,839,476.70x = 128,782,024.65 × 37,296,500.70
  4. Step 4: Simplify right side
    85,839,476.70x = 4,803,118,872,506,143
  5. Step 5: Solve for x
    x = 4,803,118,872,506,143/85,839,476.70
  6. Step 6: Final answer
    x = 55,954,661.62

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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.