Home / 70,018,169.60-96,535,254.76-57,412,782.72

Finding the Fourth Proportional to 70,018,169.60, 96,535,254.76 and 57,412,782.72

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Solution

The fourth proportional to 70,018,169.60, 96,535,254.76 and 57,412,782.72 is: 79,155,991.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,018,169.60 : 96,535,254.76 = 57,412,782.72 : x
  2. Step 2: Convert to fraction form
    70,018,169.60/96,535,254.76 = 57,412,782.72/x
  3. Step 3: Cross multiply
    70,018,169.60x = 96,535,254.76 × 57,412,782.72
  4. Step 4: Simplify right side
    70,018,169.60x = 5,542,357,606,355,726
  5. Step 5: Solve for x
    x = 5,542,357,606,355,726/70,018,169.60
  6. Step 6: Final answer
    x = 79,155,991.05

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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.