Home / 51,316,881.55-70,819,058.57-28,112,002.36

Finding the Fourth Proportional to 51,316,881.55, 70,819,058.57 and 28,112,002.36

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Solution

The fourth proportional to 51,316,881.55, 70,819,058.57 and 28,112,002.36 is: 38,795,528.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,316,881.55 : 70,819,058.57 = 28,112,002.36 : x
  2. Step 2: Convert to fraction form
    51,316,881.55/70,819,058.57 = 28,112,002.36/x
  3. Step 3: Cross multiply
    51,316,881.55x = 70,819,058.57 × 28,112,002.36
  4. Step 4: Simplify right side
    51,316,881.55x = 1,990,865,541,335,210.75
  5. Step 5: Solve for x
    x = 1,990,865,541,335,210.75/51,316,881.55
  6. Step 6: Final answer
    x = 38,795,528.51

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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.