Home / 67,149,828.80-100,724,743.20-46,742,494.40

Finding the Fourth Proportional to 67,149,828.80, 100,724,743.20 and 46,742,494.40

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Solution

The fourth proportional to 67,149,828.80, 100,724,743.20 and 46,742,494.40 is: 70,113,741.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,149,828.80 : 100,724,743.20 = 46,742,494.40 : x
  2. Step 2: Convert to fraction form
    67,149,828.80/100,724,743.20 = 46,742,494.40/x
  3. Step 3: Cross multiply
    67,149,828.80x = 100,724,743.20 × 46,742,494.40
  4. Step 4: Simplify right side
    67,149,828.80x = 4,708,125,744,967,438
  5. Step 5: Solve for x
    x = 4,708,125,744,967,438/67,149,828.80
  6. Step 6: Final answer
    x = 70,113,741.60

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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.