Home / 124,987,271.42-172,482,419.78-74,751,482.25

Finding the Fourth Proportional to 124,987,271.42, 172,482,419.78 and 74,751,482.25

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Solution

The fourth proportional to 124,987,271.42, 172,482,419.78 and 74,751,482.25 is: 103,157,036.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,987,271.42 : 172,482,419.78 = 74,751,482.25 : x
  2. Step 2: Convert to fraction form
    124,987,271.42/172,482,419.78 = 74,751,482.25/x
  3. Step 3: Cross multiply
    124,987,271.42x = 172,482,419.78 × 74,751,482.25
  4. Step 4: Simplify right side
    124,987,271.42x = 12,893,316,541,175,088
  5. Step 5: Solve for x
    x = 12,893,316,541,175,088/124,987,271.42
  6. Step 6: Final answer
    x = 103,157,036.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.