Finding the Fourth Proportional to 197,402,303.79, 272,423,693.75 and 109,296,303.39
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Solution
The fourth proportional to 197,402,303.79, 272,423,693.75 and 109,296,303.39 is: 150,833,612.93
Step by Step Solution
- Step 1: Write the proportion equation
197,402,303.79 : 272,423,693.75 = 109,296,303.39 : x - Step 2: Convert to fraction form
197,402,303.79/272,423,693.75 = 109,296,303.39/x - Step 3: Cross multiply
197,402,303.79x = 272,423,693.75 × 109,296,303.39 - Step 4: Simplify right side
197,402,303.79x = 29,774,902,682,177,964 - Step 5: Solve for x
x = 29,774,902,682,177,964/197,402,303.79 - Step 6: Final answer
x = 150,833,612.93
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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.