Home / 219,357,869.04-302,205,099.76-153,173,535.50

Finding the Fourth Proportional to 219,357,869.04, 302,205,099.76 and 153,173,535.50

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Solution

The fourth proportional to 219,357,869.04, 302,205,099.76 and 153,173,535.50 is: 211,024,221.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,357,869.04 : 302,205,099.76 = 153,173,535.50 : x
  2. Step 2: Convert to fraction form
    219,357,869.04/302,205,099.76 = 153,173,535.50/x
  3. Step 3: Cross multiply
    219,357,869.04x = 302,205,099.76 × 153,173,535.50
  4. Step 4: Simplify right side
    219,357,869.04x = 46,289,823,576,741,976
  5. Step 5: Solve for x
    x = 46,289,823,576,741,976/219,357,869.04
  6. Step 6: Final answer
    x = 211,024,221.65

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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.