Home / 145,239,894.28-200,435,254.73-79,164,672.22

Finding the Fourth Proportional to 145,239,894.28, 200,435,254.73 and 79,164,672.22

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Solution

The fourth proportional to 145,239,894.28, 200,435,254.73 and 79,164,672.22 is: 109,249,537.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,239,894.28 : 200,435,254.73 = 79,164,672.22 : x
  2. Step 2: Convert to fraction form
    145,239,894.28/200,435,254.73 = 79,164,672.22/x
  3. Step 3: Cross multiply
    145,239,894.28x = 200,435,254.73 × 79,164,672.22
  4. Step 4: Simplify right side
    145,239,894.28x = 15,867,391,242,184,242
  5. Step 5: Solve for x
    x = 15,867,391,242,184,242/145,239,894.28
  6. Step 6: Final answer
    x = 109,249,537.26

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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.