Home / 228,347,964-315,120,354.48-123,926,008.32

Finding the Fourth Proportional to 228,347,964, 315,120,354.48 and 123,926,008.32

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Solution

The fourth proportional to 228,347,964, 315,120,354.48 and 123,926,008.32 is: 171,017,980.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,347,964 : 315,120,354.48 = 123,926,008.32 : x
  2. Step 2: Convert to fraction form
    228,347,964/315,120,354.48 = 123,926,008.32/x
  3. Step 3: Cross multiply
    228,347,964x = 315,120,354.48 × 123,926,008.32
  4. Step 4: Simplify right side
    228,347,964x = 39,051,607,671,089,832
  5. Step 5: Solve for x
    x = 39,051,607,671,089,832/228,347,964
  6. Step 6: Final answer
    x = 171,017,980.57

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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.