Home / 68,993,829.60-103,490,744.40-64,742,301.60

Finding the Fourth Proportional to 68,993,829.60, 103,490,744.40 and 64,742,301.60

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Solution

The fourth proportional to 68,993,829.60, 103,490,744.40 and 64,742,301.60 is: 97,113,452.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,993,829.60 : 103,490,744.40 = 64,742,301.60 : x
  2. Step 2: Convert to fraction form
    68,993,829.60/103,490,744.40 = 64,742,301.60/x
  3. Step 3: Cross multiply
    68,993,829.60x = 103,490,744.40 × 64,742,301.60
  4. Step 4: Simplify right side
    68,993,829.60x = 6,700,228,986,753,312
  5. Step 5: Solve for x
    x = 6,700,228,986,753,312/68,993,829.60
  6. Step 6: Final answer
    x = 97,113,452.40

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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.