Home / 158,877,394.42-238,315,741.70-42,292,776.54

Finding the Fourth Proportional to 158,877,394.42, 238,315,741.70 and 42,292,776.54

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Solution

The fourth proportional to 158,877,394.42, 238,315,741.70 and 42,292,776.54 is: 63,439,071.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,877,394.42 : 238,315,741.70 = 42,292,776.54 : x
  2. Step 2: Convert to fraction form
    158,877,394.42/238,315,741.70 = 42,292,776.54/x
  3. Step 3: Cross multiply
    158,877,394.42x = 238,315,741.70 × 42,292,776.54
  4. Step 4: Simplify right side
    158,877,394.42x = 10,079,034,409,682,460
  5. Step 5: Solve for x
    x = 10,079,034,409,682,460/158,877,394.42
  6. Step 6: Final answer
    x = 63,439,071.66

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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.