Home / 255,859,301.36-382,779,151.00-193,789,419.11

Finding the Fourth Proportional to 255,859,301.36, 382,779,151.00 and 193,789,419.11

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Solution

The fourth proportional to 255,859,301.36, 382,779,151.00 and 193,789,419.11 is: 289,919,299.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,859,301.36 : 382,779,151.00 = 193,789,419.11 : x
  2. Step 2: Convert to fraction form
    255,859,301.36/382,779,151.00 = 193,789,419.11/x
  3. Step 3: Cross multiply
    255,859,301.36x = 382,779,151.00 × 193,789,419.11
  4. Step 4: Simplify right side
    255,859,301.36x = 74,178,549,316,826,128
  5. Step 5: Solve for x
    x = 74,178,549,316,826,128/255,859,301.36
  6. Step 6: Final answer
    x = 289,919,299.09

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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.