Home / 215,678,731.40-323,518,097.10-94,746,379.40

Finding the Fourth Proportional to 215,678,731.40, 323,518,097.10 and 94,746,379.40

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Solution

The fourth proportional to 215,678,731.40, 323,518,097.10 and 94,746,379.40 is: 142,119,569.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,678,731.40 : 323,518,097.10 = 94,746,379.40 : x
  2. Step 2: Convert to fraction form
    215,678,731.40/323,518,097.10 = 94,746,379.40/x
  3. Step 3: Cross multiply
    215,678,731.40x = 323,518,097.10 × 94,746,379.40
  4. Step 4: Simplify right side
    215,678,731.40x = 30,652,168,370,602,644
  5. Step 5: Solve for x
    x = 30,652,168,370,602,644/215,678,731.40
  6. Step 6: Final answer
    x = 142,119,569.10

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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.