Home / 158,877,393.42-238,315,740.20-42,292,775.54

Finding the Fourth Proportional to 158,877,393.42, 238,315,740.20 and 42,292,775.54

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Solution

The fourth proportional to 158,877,393.42, 238,315,740.20 and 42,292,775.54 is: 63,439,070.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,877,393.42 : 238,315,740.20 = 42,292,775.54 : x
  2. Step 2: Convert to fraction form
    158,877,393.42/238,315,740.20 = 42,292,775.54/x
  3. Step 3: Cross multiply
    158,877,393.42x = 238,315,740.20 × 42,292,775.54
  4. Step 4: Simplify right side
    158,877,393.42x = 10,079,034,107,927,554
  5. Step 5: Solve for x
    x = 10,079,034,107,927,554/158,877,393.42
  6. Step 6: Final answer
    x = 63,439,070.16

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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.