Home / 67,150,147.80-100,725,221.70-46,742,813.40

Finding the Fourth Proportional to 67,150,147.80, 100,725,221.70 and 46,742,813.40

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Solution

The fourth proportional to 67,150,147.80, 100,725,221.70 and 46,742,813.40 is: 70,114,220.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,150,147.80 : 100,725,221.70 = 46,742,813.40 : x
  2. Step 2: Convert to fraction form
    67,150,147.80/100,725,221.70 = 46,742,813.40/x
  3. Step 3: Cross multiply
    67,150,147.80x = 100,725,221.70 × 46,742,813.40
  4. Step 4: Simplify right side
    67,150,147.80x = 4,708,180,242,596,731
  5. Step 5: Solve for x
    x = 4,708,180,242,596,731/67,150,147.80
  6. Step 6: Final answer
    x = 70,114,220.10

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1.5x scale

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.