Home / 53,235,427.80-79,853,141.70-19,144,471.80

Finding the Fourth Proportional to 53,235,427.80, 79,853,141.70 and 19,144,471.80

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Solution

The fourth proportional to 53,235,427.80, 79,853,141.70 and 19,144,471.80 is: 28,716,707.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,235,427.80 : 79,853,141.70 = 19,144,471.80 : x
  2. Step 2: Convert to fraction form
    53,235,427.80/79,853,141.70 = 19,144,471.80/x
  3. Step 3: Cross multiply
    53,235,427.80x = 79,853,141.70 × 19,144,471.80
  4. Step 4: Simplify right side
    53,235,427.80x = 1,528,746,219,417,054.25
  5. Step 5: Solve for x
    x = 1,528,746,219,417,054.25/53,235,427.80
  6. Step 6: Final answer
    x = 28,716,707.70

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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.