Home / 108,886,281.40-163,329,422.10-68,575,497.40

Finding the Fourth Proportional to 108,886,281.40, 163,329,422.10 and 68,575,497.40

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Solution

The fourth proportional to 108,886,281.40, 163,329,422.10 and 68,575,497.40 is: 102,863,246.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,886,281.40 : 163,329,422.10 = 68,575,497.40 : x
  2. Step 2: Convert to fraction form
    108,886,281.40/163,329,422.10 = 68,575,497.40/x
  3. Step 3: Cross multiply
    108,886,281.40x = 163,329,422.10 × 68,575,497.40
  4. Step 4: Simplify right side
    108,886,281.40x = 11,200,396,360,562,054
  5. Step 5: Solve for x
    x = 11,200,396,360,562,054/108,886,281.40
  6. Step 6: Final answer
    x = 102,863,246.10

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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.