Home / 51,281,980.47-70,766,329.94-28,072,617.93

Finding the Fourth Proportional to 51,281,980.47, 70,766,329.94 and 28,072,617.93

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Solution

The fourth proportional to 51,281,980.47, 70,766,329.94 and 28,072,617.93 is: 38,738,678.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,281,980.47 : 70,766,329.94 = 28,072,617.93 : x
  2. Step 2: Convert to fraction form
    51,281,980.47/70,766,329.94 = 28,072,617.93/x
  3. Step 3: Cross multiply
    51,281,980.47x = 70,766,329.94 × 28,072,617.93
  4. Step 4: Simplify right side
    51,281,980.47x = 1,986,596,142,573,576.75
  5. Step 5: Solve for x
    x = 1,986,596,142,573,576.75/51,281,980.47
  6. Step 6: Final answer
    x = 38,738,678.27

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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.