Home / 56,764,211.52-78,334,587.36-30,658,719.36

Finding the Fourth Proportional to 56,764,211.52, 78,334,587.36 and 30,658,719.36

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Solution

The fourth proportional to 56,764,211.52, 78,334,587.36 and 30,658,719.36 is: 42,309,019.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,764,211.52 : 78,334,587.36 = 30,658,719.36 : x
  2. Step 2: Convert to fraction form
    56,764,211.52/78,334,587.36 = 30,658,719.36/x
  3. Step 3: Cross multiply
    56,764,211.52x = 78,334,587.36 × 30,658,719.36
  4. Step 4: Simplify right side
    56,764,211.52x = 2,401,638,130,051,643
  5. Step 5: Solve for x
    x = 2,401,638,130,051,643/56,764,211.52
  6. Step 6: Final answer
    x = 42,309,019.46

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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.