Home / 51,370,909.56-70,894,069.02-30,740,384.52

Finding the Fourth Proportional to 51,370,909.56, 70,894,069.02 and 30,740,384.52

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Solution

The fourth proportional to 51,370,909.56, 70,894,069.02 and 30,740,384.52 is: 42,423,055.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,370,909.56 : 70,894,069.02 = 30,740,384.52 : x
  2. Step 2: Convert to fraction form
    51,370,909.56/70,894,069.02 = 30,740,384.52/x
  3. Step 3: Cross multiply
    51,370,909.56x = 70,894,069.02 × 30,740,384.52
  4. Step 4: Simplify right side
    51,370,909.56x = 2,179,310,941,862,219.50
  5. Step 5: Solve for x
    x = 2,179,310,941,862,219.50/51,370,909.56
  6. Step 6: Final answer
    x = 42,423,055.39

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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.