Home / 55,209,070.48-76,190,848.68-30,762,778

Finding the Fourth Proportional to 55,209,070.48, 76,190,848.68 and 30,762,778

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Solution

The fourth proportional to 55,209,070.48, 76,190,848.68 and 30,762,778 is: 42,453,932.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,209,070.48 : 76,190,848.68 = 30,762,778 : x
  2. Step 2: Convert to fraction form
    55,209,070.48/76,190,848.68 = 30,762,778/x
  3. Step 3: Cross multiply
    55,209,070.48x = 76,190,848.68 × 30,762,778
  4. Step 4: Simplify right side
    55,209,070.48x = 2,343,842,163,574,433.50
  5. Step 5: Solve for x
    x = 2,343,842,163,574,433.50/55,209,070.48
  6. Step 6: Final answer
    x = 42,453,932.72

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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.