Home / 139,552,842.60-209,360,762.37-46,179,574.74

Finding the Fourth Proportional to 139,552,842.60, 209,360,762.37 and 46,179,574.74

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Solution

The fourth proportional to 139,552,842.60, 209,360,762.37 and 46,179,574.74 is: 69,279,785.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,552,842.60 : 209,360,762.37 = 46,179,574.74 : x
  2. Step 2: Convert to fraction form
    139,552,842.60/209,360,762.37 = 46,179,574.74/x
  3. Step 3: Cross multiply
    139,552,842.60x = 209,360,762.37 × 46,179,574.74
  4. Step 4: Simplify right side
    139,552,842.60x = 9,668,190,973,488,796
  5. Step 5: Solve for x
    x = 9,668,190,973,488,796/139,552,842.60
  6. Step 6: Final answer
    x = 69,279,785.30

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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.