Home / 145,562,403.48-200,877,087.92-79,483,360.56

Finding the Fourth Proportional to 145,562,403.48, 200,877,087.92 and 79,483,360.56

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Solution

The fourth proportional to 145,562,403.48, 200,877,087.92 and 79,483,360.56 is: 109,687,567.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,562,403.48 : 200,877,087.92 = 79,483,360.56 : x
  2. Step 2: Convert to fraction form
    145,562,403.48/200,877,087.92 = 79,483,360.56/x
  3. Step 3: Cross multiply
    145,562,403.48x = 200,877,087.92 × 79,483,360.56
  4. Step 4: Simplify right side
    145,562,403.48x = 15,966,386,007,388,180
  5. Step 5: Solve for x
    x = 15,966,386,007,388,180/145,562,403.48
  6. Step 6: Final answer
    x = 109,687,567.84

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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.