Home / 161,852,004.70-242,778,007.05-159,164,619.10

Finding the Fourth Proportional to 161,852,004.70, 242,778,007.05 and 159,164,619.10

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Solution

The fourth proportional to 161,852,004.70, 242,778,007.05 and 159,164,619.10 is: 238,746,928.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,852,004.70 : 242,778,007.05 = 159,164,619.10 : x
  2. Step 2: Convert to fraction form
    161,852,004.70/242,778,007.05 = 159,164,619.10/x
  3. Step 3: Cross multiply
    161,852,004.70x = 242,778,007.05 × 159,164,619.10
  4. Step 4: Simplify right side
    161,852,004.70x = 38,641,669,017,970,368
  5. Step 5: Solve for x
    x = 38,641,669,017,970,368/161,852,004.70
  6. Step 6: Final answer
    x = 238,746,928.65

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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.