Home / 47,155,129.40-70,770,018.90-18,415,033.40

Finding the Fourth Proportional to 47,155,129.40, 70,770,018.90 and 18,415,033.40

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Solution

The fourth proportional to 47,155,129.40, 70,770,018.90 and 18,415,033.40 is: 27,637,126.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,155,129.40 : 70,770,018.90 = 18,415,033.40 : x
  2. Step 2: Convert to fraction form
    47,155,129.40/70,770,018.90 = 18,415,033.40/x
  3. Step 3: Cross multiply
    47,155,129.40x = 70,770,018.90 × 18,415,033.40
  4. Step 4: Simplify right side
    47,155,129.40x = 1,303,232,261,762,131.25
  5. Step 5: Solve for x
    x = 1,303,232,261,762,131.25/47,155,129.40
  6. Step 6: Final answer
    x = 27,637,126.19

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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.