Home / 157,943,805.39-237,018,008.66-85,210,790.13

Finding the Fourth Proportional to 157,943,805.39, 237,018,008.66 and 85,210,790.13

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Solution

The fourth proportional to 157,943,805.39, 237,018,008.66 and 85,210,790.13 is: 127,871,376.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,943,805.39 : 237,018,008.66 = 85,210,790.13 : x
  2. Step 2: Convert to fraction form
    157,943,805.39/237,018,008.66 = 85,210,790.13/x
  3. Step 3: Cross multiply
    157,943,805.39x = 237,018,008.66 × 85,210,790.13
  4. Step 4: Simplify right side
    157,943,805.39x = 20,196,491,792,531,728
  5. Step 5: Solve for x
    x = 20,196,491,792,531,728/157,943,805.39
  6. Step 6: Final answer
    x = 127,871,376.42

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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.