Home / 125,301,109.26-188,136,165.89-70,077,140.54

Finding the Fourth Proportional to 125,301,109.26, 188,136,165.89 and 70,077,140.54

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Solution

The fourth proportional to 125,301,109.26, 188,136,165.89 and 70,077,140.54 is: 105,218,897.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,301,109.26 : 188,136,165.89 = 70,077,140.54 : x
  2. Step 2: Convert to fraction form
    125,301,109.26/188,136,165.89 = 70,077,140.54/x
  3. Step 3: Cross multiply
    125,301,109.26x = 188,136,165.89 × 70,077,140.54
  4. Step 4: Simplify right side
    125,301,109.26x = 13,184,044,536,964,796
  5. Step 5: Solve for x
    x = 13,184,044,536,964,796/125,301,109.26
  6. Step 6: Final answer
    x = 105,218,897.22

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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.