Home / 125,751,018.10-188,248,613.55-74,606,710.90

Finding the Fourth Proportional to 125,751,018.10, 188,248,613.55 and 74,606,710.90

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Solution

The fourth proportional to 125,751,018.10, 188,248,613.55 and 74,606,710.90 is: 111,685,854.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,751,018.10 : 188,248,613.55 = 74,606,710.90 : x
  2. Step 2: Convert to fraction form
    125,751,018.10/188,248,613.55 = 74,606,710.90/x
  3. Step 3: Cross multiply
    125,751,018.10x = 188,248,613.55 × 74,606,710.90
  4. Step 4: Simplify right side
    125,751,018.10x = 14,044,609,888,450,674
  5. Step 5: Solve for x
    x = 14,044,609,888,450,674/125,751,018.10
  6. Step 6: Final answer
    x = 111,685,854.32

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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.