Home / 210,421,917,108.74-315,632,869,563.40-97,068,105,382.82

Finding the Fourth Proportional to 210,421,917,108.74, 315,632,869,563.40 and 97,068,105,382.82

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Solution

The fourth proportional to 210,421,917,108.74, 315,632,869,563.40 and 97,068,105,382.82 is: 145,602,155,260.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,421,917,108.74 : 315,632,869,563.40 = 97,068,105,382.82 : x
  2. Step 2: Convert to fraction form
    210,421,917,108.74/315,632,869,563.40 = 97,068,105,382.82/x
  3. Step 3: Cross multiply
    210,421,917,108.74x = 315,632,869,563.40 × 97,068,105,382.82
  4. Step 4: Simplify right side
    210,421,917,108.74x = 30,637,884,645,061,993,431,040
  5. Step 5: Solve for x
    x = 30,637,884,645,061,993,431,040/210,421,917,108.74
  6. Step 6: Final answer
    x = 145,602,155,260.42

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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.