Home / 161,698,000.10-242,547,000.15-80,889,808.10

Finding the Fourth Proportional to 161,698,000.10, 242,547,000.15 and 80,889,808.10

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Solution

The fourth proportional to 161,698,000.10, 242,547,000.15 and 80,889,808.10 is: 121,334,712.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,698,000.10 : 242,547,000.15 = 80,889,808.10 : x
  2. Step 2: Convert to fraction form
    161,698,000.10/242,547,000.15 = 80,889,808.10/x
  3. Step 3: Cross multiply
    161,698,000.10x = 242,547,000.15 × 80,889,808.10
  4. Step 4: Simplify right side
    161,698,000.10x = 19,619,580,297,364,172
  5. Step 5: Solve for x
    x = 19,619,580,297,364,172/161,698,000.10
  6. Step 6: Final answer
    x = 121,334,712.15

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1.5x scale

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.