Finding the Fourth Proportional to 97,875,418.15, 135,071,581.61 and 53,825,823.70
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Solution
The fourth proportional to 97,875,418.15, 135,071,581.61 and 53,825,823.70 is: 74,281,564.01
Step by Step Solution
- Step 1: Write the proportion equation
97,875,418.15 : 135,071,581.61 = 53,825,823.70 : x - Step 2: Convert to fraction form
97,875,418.15/135,071,581.61 = 53,825,823.70/x - Step 3: Cross multiply
97,875,418.15x = 135,071,581.61 × 53,825,823.70 - Step 4: Simplify right side
97,875,418.15x = 7,270,339,138,416,908 - Step 5: Solve for x
x = 7,270,339,138,416,908/97,875,418.15 - Step 6: Final answer
x = 74,281,564.01
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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.