Home / 125,175,086.51-172,735,547.42-69,422,718.26

Finding the Fourth Proportional to 125,175,086.51, 172,735,547.42 and 69,422,718.26

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Solution

The fourth proportional to 125,175,086.51, 172,735,547.42 and 69,422,718.26 is: 95,799,983.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,175,086.51 : 172,735,547.42 = 69,422,718.26 : x
  2. Step 2: Convert to fraction form
    125,175,086.51/172,735,547.42 = 69,422,718.26/x
  3. Step 3: Cross multiply
    125,175,086.51x = 172,735,547.42 × 69,422,718.26
  4. Step 4: Simplify right side
    125,175,086.51x = 11,991,771,242,630,928
  5. Step 5: Solve for x
    x = 11,991,771,242,630,928/125,175,086.51
  6. Step 6: Final answer
    x = 95,799,983.67

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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.