Home / 156,842,516.81-235,213,861.80-51,778,297.42

Finding the Fourth Proportional to 156,842,516.81, 235,213,861.80 and 51,778,297.42

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Solution

The fourth proportional to 156,842,516.81, 235,213,861.80 and 51,778,297.42 is: 77,650,968.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,842,516.81 : 235,213,861.80 = 51,778,297.42 : x
  2. Step 2: Convert to fraction form
    156,842,516.81/235,213,861.80 = 51,778,297.42/x
  3. Step 3: Cross multiply
    156,842,516.81x = 235,213,861.80 × 51,778,297.42
  4. Step 4: Simplify right side
    156,842,516.81x = 12,178,973,293,587,178
  5. Step 5: Solve for x
    x = 12,178,973,293,587,178/156,842,516.81
  6. Step 6: Final answer
    x = 77,650,968.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.