Home / 51,387,988.64-70,919,909.08-28,187,599.60

Finding the Fourth Proportional to 51,387,988.64, 70,919,909.08 and 28,187,599.60

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Solution

The fourth proportional to 51,387,988.64, 70,919,909.08 and 28,187,599.60 is: 38,901,347.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,387,988.64 : 70,919,909.08 = 28,187,599.60 : x
  2. Step 2: Convert to fraction form
    51,387,988.64/70,919,909.08 = 28,187,599.60/x
  3. Step 3: Cross multiply
    51,387,988.64x = 70,919,909.08 × 28,187,599.60
  4. Step 4: Simplify right side
    51,387,988.64x = 1,999,062,000,815,444.50
  5. Step 5: Solve for x
    x = 1,999,062,000,815,444.50/51,387,988.64
  6. Step 6: Final answer
    x = 38,901,347.45

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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.