Home / 199,740,262.78-299,610,394.20-56,133,094.78

Finding the Fourth Proportional to 199,740,262.78, 299,610,394.20 and 56,133,094.78

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Solution

The fourth proportional to 199,740,262.78, 299,610,394.20 and 56,133,094.78 is: 84,199,642.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,740,262.78 : 299,610,394.20 = 56,133,094.78 : x
  2. Step 2: Convert to fraction form
    199,740,262.78/299,610,394.20 = 56,133,094.78/x
  3. Step 3: Cross multiply
    199,740,262.78x = 299,610,394.20 × 56,133,094.78
  4. Step 4: Simplify right side
    199,740,262.78x = 16,818,058,654,701,762
  5. Step 5: Solve for x
    x = 16,818,058,654,701,762/199,740,262.78
  6. Step 6: Final answer
    x = 84,199,642.18

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1.5x scale

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.