Home / 121,258,554.96-181,900,075.32-39,374,009.04

Finding the Fourth Proportional to 121,258,554.96, 181,900,075.32 and 39,374,009.04

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Solution

The fourth proportional to 121,258,554.96, 181,900,075.32 and 39,374,009.04 is: 59,064,988.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,258,554.96 : 181,900,075.32 = 39,374,009.04 : x
  2. Step 2: Convert to fraction form
    121,258,554.96/181,900,075.32 = 39,374,009.04/x
  3. Step 3: Cross multiply
    121,258,554.96x = 181,900,075.32 × 39,374,009.04
  4. Step 4: Simplify right side
    121,258,554.96x = 7,162,135,210,026,360
  5. Step 5: Solve for x
    x = 7,162,135,210,026,360/121,258,554.96
  6. Step 6: Final answer
    x = 59,064,988.96

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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.