Home / 280,944,007.60-421,416,011.40-144,895,111.60

Finding the Fourth Proportional to 280,944,007.60, 421,416,011.40 and 144,895,111.60

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Solution

The fourth proportional to 280,944,007.60, 421,416,011.40 and 144,895,111.60 is: 217,342,667.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,944,007.60 : 421,416,011.40 = 144,895,111.60 : x
  2. Step 2: Convert to fraction form
    280,944,007.60/421,416,011.40 = 144,895,111.60/x
  3. Step 3: Cross multiply
    280,944,007.60x = 421,416,011.40 × 144,895,111.60
  4. Step 4: Simplify right side
    280,944,007.60x = 61,061,120,001,829,864
  5. Step 5: Solve for x
    x = 61,061,120,001,829,864/280,944,007.60
  6. Step 6: Final answer
    x = 217,342,667.40

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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.