Home / 56,685,955.30-85,028,932.95-45,348,547.30

Finding the Fourth Proportional to 56,685,955.30, 85,028,932.95 and 45,348,547.30

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Solution

The fourth proportional to 56,685,955.30, 85,028,932.95 and 45,348,547.30 is: 68,022,820.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,685,955.30 : 85,028,932.95 = 45,348,547.30 : x
  2. Step 2: Convert to fraction form
    56,685,955.30/85,028,932.95 = 45,348,547.30/x
  3. Step 3: Cross multiply
    56,685,955.30x = 85,028,932.95 × 45,348,547.30
  4. Step 4: Simplify right side
    56,685,955.30x = 3,855,938,587,751,603.50
  5. Step 5: Solve for x
    x = 3,855,938,587,751,603.50/56,685,955.30
  6. Step 6: Final answer
    x = 68,022,820.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.