Finding the Fourth Proportional to 153,160,176.75, 211,362,392.85 and 83,545,867.23
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Solution
The fourth proportional to 153,160,176.75, 211,362,392.85 and 83,545,867.23 is: 115,294,032.59
Step by Step Solution
- Step 1: Write the proportion equation
153,160,176.75 : 211,362,392.85 = 83,545,867.23 : x - Step 2: Convert to fraction form
153,160,176.75/211,362,392.85 = 83,545,867.23/x - Step 3: Cross multiply
153,160,176.75x = 211,362,392.85 × 83,545,867.23 - Step 4: Simplify right side
153,160,176.75x = 17,658,454,410,461,202 - Step 5: Solve for x
x = 17,658,454,410,461,202/153,160,176.75 - Step 6: Final answer
x = 115,294,032.59
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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.