Home / 219,208,671.52-302,507,941.52-131,102,655.05

Finding the Fourth Proportional to 219,208,671.52, 302,507,941.52 and 131,102,655.05

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Solution

The fourth proportional to 219,208,671.52, 302,507,941.52 and 131,102,655.05 is: 180,921,648.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,208,671.52 : 302,507,941.52 = 131,102,655.05 : x
  2. Step 2: Convert to fraction form
    219,208,671.52/302,507,941.52 = 131,102,655.05/x
  3. Step 3: Cross multiply
    219,208,671.52x = 302,507,941.52 × 131,102,655.05
  4. Step 4: Simplify right side
    219,208,671.52x = 39,659,594,308,066,152
  5. Step 5: Solve for x
    x = 39,659,594,308,066,152/219,208,671.52
  6. Step 6: Final answer
    x = 180,921,648.92

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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.