Home / 210,731,035.64-315,968,553.50-105,564,072.35

Finding the Fourth Proportional to 210,731,035.64, 315,968,553.50 and 105,564,072.35

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Solution

The fourth proportional to 210,731,035.64, 315,968,553.50 and 105,564,072.35 is: 158,281,987.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,731,035.64 : 315,968,553.50 = 105,564,072.35 : x
  2. Step 2: Convert to fraction form
    210,731,035.64/315,968,553.50 = 105,564,072.35/x
  3. Step 3: Cross multiply
    210,731,035.64x = 315,968,553.50 × 105,564,072.35
  4. Step 4: Simplify right side
    210,731,035.64x = 33,354,927,241,208,924
  5. Step 5: Solve for x
    x = 33,354,927,241,208,924/210,731,035.64
  6. Step 6: Final answer
    x = 158,281,987.94

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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.