Home / 124,620,426-171,975,765.06-68,864,289.84

Finding the Fourth Proportional to 124,620,426, 171,975,765.06 and 68,864,289.84

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Solution

The fourth proportional to 124,620,426, 171,975,765.06 and 68,864,289.84 is: 95,032,486.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,620,426 : 171,975,765.06 = 68,864,289.84 : x
  2. Step 2: Convert to fraction form
    124,620,426/171,975,765.06 = 68,864,289.84/x
  3. Step 3: Cross multiply
    124,620,426x = 171,975,765.06 × 68,864,289.84
  4. Step 4: Simplify right side
    124,620,426x = 11,842,988,930,547,586
  5. Step 5: Solve for x
    x = 11,842,988,930,547,586/124,620,426
  6. Step 6: Final answer
    x = 95,032,486.33

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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.