Home / 402,036,225.10-603,054,337.65-172,028,560.30

Finding the Fourth Proportional to 402,036,225.10, 603,054,337.65 and 172,028,560.30

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Solution

The fourth proportional to 402,036,225.10, 603,054,337.65 and 172,028,560.30 is: 258,042,840.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,036,225.10 : 603,054,337.65 = 172,028,560.30 : x
  2. Step 2: Convert to fraction form
    402,036,225.10/603,054,337.65 = 172,028,560.30/x
  3. Step 3: Cross multiply
    402,036,225.10x = 603,054,337.65 × 172,028,560.30
  4. Step 4: Simplify right side
    402,036,225.10x = 103,742,569,488,599,584
  5. Step 5: Solve for x
    x = 103,742,569,488,599,584/402,036,225.10
  6. Step 6: Final answer
    x = 258,042,840.45

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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.