Home / 214,105,649,424.15-321,290,572,758.91-99,217,902,574.63

Finding the Fourth Proportional to 214,105,649,424.15, 321,290,572,758.91 and 99,217,902,574.63

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Solution

The fourth proportional to 214,105,649,424.15, 321,290,572,758.91 and 99,217,902,574.63 is: 148,888,069,193.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,105,649,424.15 : 321,290,572,758.91 = 99,217,902,574.63 : x
  2. Step 2: Convert to fraction form
    214,105,649,424.15/321,290,572,758.91 = 99,217,902,574.63/x
  3. Step 3: Cross multiply
    214,105,649,424.15x = 321,290,572,758.91 × 99,217,902,574.63
  4. Step 4: Simplify right side
    214,105,649,424.15x = 31,877,776,746,140,602,990,592
  5. Step 5: Solve for x
    x = 31,877,776,746,140,602,990,592/214,105,649,424.15
  6. Step 6: Final answer
    x = 148,888,069,193.31

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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.