Home / 309,114,663.40-463,671,995.10-165,787,431.40

Finding the Fourth Proportional to 309,114,663.40, 463,671,995.10 and 165,787,431.40

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Solution

The fourth proportional to 309,114,663.40, 463,671,995.10 and 165,787,431.40 is: 248,681,147.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,114,663.40 : 463,671,995.10 = 165,787,431.40 : x
  2. Step 2: Convert to fraction form
    309,114,663.40/463,671,995.10 = 165,787,431.40/x
  3. Step 3: Cross multiply
    309,114,663.40x = 463,671,995.10 × 165,787,431.40
  4. Step 4: Simplify right side
    309,114,663.40x = 76,870,989,079,742,400
  5. Step 5: Solve for x
    x = 76,870,989,079,742,400/309,114,663.40
  6. Step 6: Final answer
    x = 248,681,147.10

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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.