Home / 238,173,009.84-328,686,711.12-133,769,478.96

Finding the Fourth Proportional to 238,173,009.84, 328,686,711.12 and 133,769,478.96

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Solution

The fourth proportional to 238,173,009.84, 328,686,711.12 and 133,769,478.96 is: 184,606,350.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,173,009.84 : 328,686,711.12 = 133,769,478.96 : x
  2. Step 2: Convert to fraction form
    238,173,009.84/328,686,711.12 = 133,769,478.96/x
  3. Step 3: Cross multiply
    238,173,009.84x = 328,686,711.12 × 133,769,478.96
  4. Step 4: Simplify right side
    238,173,009.84x = 43,968,250,087,598,440
  5. Step 5: Solve for x
    x = 43,968,250,087,598,440/238,173,009.84
  6. Step 6: Final answer
    x = 184,606,350.30

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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.