Home / 161,698,006.60-242,547,009.90-80,889,814.60

Finding the Fourth Proportional to 161,698,006.60, 242,547,009.90 and 80,889,814.60

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Solution

The fourth proportional to 161,698,006.60, 242,547,009.90 and 80,889,814.60 is: 121,334,721.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,698,006.60 : 242,547,009.90 = 80,889,814.60 : x
  2. Step 2: Convert to fraction form
    161,698,006.60/242,547,009.90 = 80,889,814.60/x
  3. Step 3: Cross multiply
    161,698,006.60x = 242,547,009.90 × 80,889,814.60
  4. Step 4: Simplify right side
    161,698,006.60x = 19,619,582,662,595,364
  5. Step 5: Solve for x
    x = 19,619,582,662,595,364/161,698,006.60
  6. Step 6: Final answer
    x = 121,334,721.90

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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.