Home / 68,234,333.76-94,163,360.76-38,868,386.40

Finding the Fourth Proportional to 68,234,333.76, 94,163,360.76 and 38,868,386.40

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Solution

The fourth proportional to 68,234,333.76, 94,163,360.76 and 38,868,386.40 is: 53,638,361.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,234,333.76 : 94,163,360.76 = 38,868,386.40 : x
  2. Step 2: Convert to fraction form
    68,234,333.76/94,163,360.76 = 38,868,386.40/x
  3. Step 3: Cross multiply
    68,234,333.76x = 94,163,360.76 × 38,868,386.40
  4. Step 4: Simplify right side
    68,234,333.76x = 3,659,977,890,742,277.50
  5. Step 5: Solve for x
    x = 3,659,977,890,742,277.50/68,234,333.76
  6. Step 6: Final answer
    x = 53,638,361.94

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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.