Home / 153,310,354.65-211,571,491.19-83,698,669.53

Finding the Fourth Proportional to 153,310,354.65, 211,571,491.19 and 83,698,669.53

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Solution

The fourth proportional to 153,310,354.65, 211,571,491.19 and 83,698,669.53 is: 115,505,911.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,310,354.65 : 211,571,491.19 = 83,698,669.53 : x
  2. Step 2: Convert to fraction form
    153,310,354.65/211,571,491.19 = 83,698,669.53/x
  3. Step 3: Cross multiply
    153,310,354.65x = 211,571,491.19 × 83,698,669.53
  4. Step 4: Simplify right side
    153,310,354.65x = 17,708,252,322,662,624
  5. Step 5: Solve for x
    x = 17,708,252,322,662,624/153,310,354.65
  6. Step 6: Final answer
    x = 115,505,911.93

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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.