Home / 56,855,778,140.62-85,288,909,981.74-18,567,201,316.45

Finding the Fourth Proportional to 56,855,778,140.62, 85,288,909,981.74 and 18,567,201,316.45

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Solution

The fourth proportional to 56,855,778,140.62, 85,288,909,981.74 and 18,567,201,316.45 is: 27,852,514,088.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,855,778,140.62 : 85,288,909,981.74 = 18,567,201,316.45 : x
  2. Step 2: Convert to fraction form
    56,855,778,140.62/85,288,909,981.74 = 18,567,201,316.45/x
  3. Step 3: Cross multiply
    56,855,778,140.62x = 85,288,909,981.74 × 18,567,201,316.45
  4. Step 4: Simplify right side
    56,855,778,140.62x = 1,583,576,361,691,548,745,728
  5. Step 5: Solve for x
    x = 1,583,576,361,691,548,745,728/56,855,778,140.62
  6. Step 6: Final answer
    x = 27,852,514,088.80

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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.