Home / 239,507,609.83-330,518,576.45-139,045,368.85

Finding the Fourth Proportional to 239,507,609.83, 330,518,576.45 and 139,045,368.85

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Solution

The fourth proportional to 239,507,609.83, 330,518,576.45 and 139,045,368.85 is: 191,881,491.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,507,609.83 : 330,518,576.45 = 139,045,368.85 : x
  2. Step 2: Convert to fraction form
    239,507,609.83/330,518,576.45 = 139,045,368.85/x
  3. Step 3: Cross multiply
    239,507,609.83x = 330,518,576.45 × 139,045,368.85
  4. Step 4: Simplify right side
    239,507,609.83x = 45,957,077,373,788,488
  5. Step 5: Solve for x
    x = 45,957,077,373,788,488/239,507,609.83
  6. Step 6: Final answer
    x = 191,881,491.39

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1.5x scale

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.