Home / 51,281,981.96-70,766,332.02-28,072,619.42

Finding the Fourth Proportional to 51,281,981.96, 70,766,332.02 and 28,072,619.42

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Solution

The fourth proportional to 51,281,981.96, 70,766,332.02 and 28,072,619.42 is: 38,738,680.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,281,981.96 : 70,766,332.02 = 28,072,619.42 : x
  2. Step 2: Convert to fraction form
    51,281,981.96/70,766,332.02 = 28,072,619.42/x
  3. Step 3: Cross multiply
    51,281,981.96x = 70,766,332.02 × 28,072,619.42
  4. Step 4: Simplify right side
    51,281,981.96x = 1,986,596,306,192,988
  5. Step 5: Solve for x
    x = 1,986,596,306,192,988/51,281,981.96
  6. Step 6: Final answer
    x = 38,738,680.34

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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.