Home / 55,316,582.78-76,334,883.54-30,536,237.77

Finding the Fourth Proportional to 55,316,582.78, 76,334,883.54 and 30,536,237.77

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Solution

The fourth proportional to 55,316,582.78, 76,334,883.54 and 30,536,237.77 is: 42,138,903.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,316,582.78 : 76,334,883.54 = 30,536,237.77 : x
  2. Step 2: Convert to fraction form
    55,316,582.78/76,334,883.54 = 30,536,237.77/x
  3. Step 3: Cross multiply
    55,316,582.78x = 76,334,883.54 × 30,536,237.77
  4. Step 4: Simplify right side
    55,316,582.78x = 2,330,980,153,922,699.50
  5. Step 5: Solve for x
    x = 2,330,980,153,922,699.50/55,316,582.78
  6. Step 6: Final answer
    x = 42,138,903.68

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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.