Home / 82,587,307.64-113,968,211.88-45,417,587.52

Finding the Fourth Proportional to 82,587,307.64, 113,968,211.88 and 45,417,587.52

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Solution

The fourth proportional to 82,587,307.64, 113,968,211.88 and 45,417,587.52 is: 62,675,020.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,587,307.64 : 113,968,211.88 = 45,417,587.52 : x
  2. Step 2: Convert to fraction form
    82,587,307.64/113,968,211.88 = 45,417,587.52/x
  3. Step 3: Cross multiply
    82,587,307.64x = 113,968,211.88 × 45,417,587.52
  4. Step 4: Simplify right side
    82,587,307.64x = 5,176,161,237,557,804
  5. Step 5: Solve for x
    x = 5,176,161,237,557,804/82,587,307.64
  6. Step 6: Final answer
    x = 62,675,020.97

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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.