Home / 290,507,239.18-435,502,854.46-113,203,328.41

Finding the Fourth Proportional to 290,507,239.18, 435,502,854.46 and 113,203,328.41

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Solution

The fourth proportional to 290,507,239.18, 435,502,854.46 and 113,203,328.41 is: 169,704,454.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,507,239.18 : 435,502,854.46 = 113,203,328.41 : x
  2. Step 2: Convert to fraction form
    290,507,239.18/435,502,854.46 = 113,203,328.41/x
  3. Step 3: Cross multiply
    290,507,239.18x = 435,502,854.46 × 113,203,328.41
  4. Step 4: Simplify right side
    290,507,239.18x = 49,300,372,656,927,808
  5. Step 5: Solve for x
    x = 49,300,372,656,927,808/290,507,239.18
  6. Step 6: Final answer
    x = 169,704,454.86

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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.