Home / 56,311,985.34-77,710,539.78-30,557,873.34

Finding the Fourth Proportional to 56,311,985.34, 77,710,539.78 and 30,557,873.34

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Solution

The fourth proportional to 56,311,985.34, 77,710,539.78 and 30,557,873.34 is: 42,169,865.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,311,985.34 : 77,710,539.78 = 30,557,873.34 : x
  2. Step 2: Convert to fraction form
    56,311,985.34/77,710,539.78 = 30,557,873.34/x
  3. Step 3: Cross multiply
    56,311,985.34x = 77,710,539.78 × 30,557,873.34
  4. Step 4: Simplify right side
    56,311,985.34x = 2,374,668,831,780,271.50
  5. Step 5: Solve for x
    x = 2,374,668,831,780,271.50/56,311,985.34
  6. Step 6: Final answer
    x = 42,169,865.22

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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.