Home / 55,316,483.80-76,334,746.89-30,536,138.50

Finding the Fourth Proportional to 55,316,483.80, 76,334,746.89 and 30,536,138.50

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Solution

The fourth proportional to 55,316,483.80, 76,334,746.89 and 30,536,138.50 is: 42,138,766.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,316,483.80 : 76,334,746.89 = 30,536,138.50 : x
  2. Step 2: Convert to fraction form
    55,316,483.80/76,334,746.89 = 30,536,138.50/x
  3. Step 3: Cross multiply
    55,316,483.80x = 76,334,746.89 × 30,536,138.50
  4. Step 4: Simplify right side
    55,316,483.80x = 2,330,968,403,395,484.50
  5. Step 5: Solve for x
    x = 2,330,968,403,395,484.50/55,316,483.80
  6. Step 6: Final answer
    x = 42,138,766.66

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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.