Home / 70,432,854.57-97,182,784.31-40,662,986.76

Finding the Fourth Proportional to 70,432,854.57, 97,182,784.31 and 40,662,986.76

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Solution

The fourth proportional to 70,432,854.57, 97,182,784.31 and 40,662,986.76 is: 56,106,518.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,432,854.57 : 97,182,784.31 = 40,662,986.76 : x
  2. Step 2: Convert to fraction form
    70,432,854.57/97,182,784.31 = 40,662,986.76/x
  3. Step 3: Cross multiply
    70,432,854.57x = 97,182,784.31 × 40,662,986.76
  4. Step 4: Simplify right side
    70,432,854.57x = 3,951,742,271,008,237.50
  5. Step 5: Solve for x
    x = 3,951,742,271,008,237.50/70,432,854.57
  6. Step 6: Final answer
    x = 56,106,518.69

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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.