Home / 248,645,707.65-372,968,561.48-84,829,019.40

Finding the Fourth Proportional to 248,645,707.65, 372,968,561.48 and 84,829,019.40

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Solution

The fourth proportional to 248,645,707.65, 372,968,561.48 and 84,829,019.40 is: 127,243,529.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,645,707.65 : 372,968,561.48 = 84,829,019.40 : x
  2. Step 2: Convert to fraction form
    248,645,707.65/372,968,561.48 = 84,829,019.40/x
  3. Step 3: Cross multiply
    248,645,707.65x = 372,968,561.48 × 84,829,019.40
  4. Step 4: Simplify right side
    248,645,707.65x = 31,638,557,336,952,872
  5. Step 5: Solve for x
    x = 31,638,557,336,952,872/248,645,707.65
  6. Step 6: Final answer
    x = 127,243,529.10

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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.