Home / 305,445,905.40-458,168,858.10-100,973,980.65

Finding the Fourth Proportional to 305,445,905.40, 458,168,858.10 and 100,973,980.65

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Solution

The fourth proportional to 305,445,905.40, 458,168,858.10 and 100,973,980.65 is: 151,460,970.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,445,905.40 : 458,168,858.10 = 100,973,980.65 : x
  2. Step 2: Convert to fraction form
    305,445,905.40/458,168,858.10 = 100,973,980.65/x
  3. Step 3: Cross multiply
    305,445,905.40x = 458,168,858.10 × 100,973,980.65
  4. Step 4: Simplify right side
    305,445,905.40x = 46,263,133,412,222,000
  5. Step 5: Solve for x
    x = 46,263,133,412,222,000/305,445,905.40
  6. Step 6: Final answer
    x = 151,460,970.98

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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.