Home / 86,186,448.58-118,906,219.67-66,346,281.85

Finding the Fourth Proportional to 86,186,448.58, 118,906,219.67 and 66,346,281.85

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Solution

The fourth proportional to 86,186,448.58, 118,906,219.67 and 66,346,281.85 is: 91,533,944.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,186,448.58 : 118,906,219.67 = 66,346,281.85 : x
  2. Step 2: Convert to fraction form
    86,186,448.58/118,906,219.67 = 66,346,281.85/x
  3. Step 3: Cross multiply
    86,186,448.58x = 118,906,219.67 × 66,346,281.85
  4. Step 4: Simplify right side
    86,186,448.58x = 7,888,985,563,911,316
  5. Step 5: Solve for x
    x = 7,888,985,563,911,316/86,186,448.58
  6. Step 6: Final answer
    x = 91,533,944.07

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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.