Home / 103,085,370-154,628,988.12-31,281,786

Finding the Fourth Proportional to 103,085,370, 154,628,988.12 and 31,281,786

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Solution

The fourth proportional to 103,085,370, 154,628,988.12 and 31,281,786 is: 46,922,962.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,085,370 : 154,628,988.12 = 31,281,786 : x
  2. Step 2: Convert to fraction form
    103,085,370/154,628,988.12 = 31,281,786/x
  3. Step 3: Cross multiply
    103,085,370x = 154,628,988.12 × 31,281,786
  4. Step 4: Simplify right side
    103,085,370x = 4,837,070,915,766,382
  5. Step 5: Solve for x
    x = 4,837,070,915,766,382/103,085,370
  6. Step 6: Final answer
    x = 46,922,962.16

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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.