Home / 51,779,088.16-71,456,656.56-28,259,133.44

Finding the Fourth Proportional to 51,779,088.16, 71,456,656.56 and 28,259,133.44

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Solution

The fourth proportional to 51,779,088.16, 71,456,656.56 and 28,259,133.44 is: 38,998,430.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,779,088.16 : 71,456,656.56 = 28,259,133.44 : x
  2. Step 2: Convert to fraction form
    51,779,088.16/71,456,656.56 = 28,259,133.44/x
  3. Step 3: Cross multiply
    51,779,088.16x = 71,456,656.56 × 28,259,133.44
  4. Step 4: Simplify right side
    51,779,088.16x = 2,019,303,192,905,291.50
  5. Step 5: Solve for x
    x = 2,019,303,192,905,291.50/51,779,088.16
  6. Step 6: Final answer
    x = 38,998,430.92

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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.