Finding the Fourth Proportional to 93,423,117.23, 128,921,402.99 and 51,606,282.57
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Solution
The fourth proportional to 93,423,117.23, 128,921,402.99 and 51,606,282.57 is: 71,215,289.63
Step by Step Solution
- Step 1: Write the proportion equation
93,423,117.23 : 128,921,402.99 = 51,606,282.57 : x - Step 2: Convert to fraction form
93,423,117.23/128,921,402.99 = 51,606,282.57/x - Step 3: Cross multiply
93,423,117.23x = 128,921,402.99 × 51,606,282.57 - Step 4: Simplify right side
93,423,117.23x = 6,653,154,352,022,783 - Step 5: Solve for x
x = 6,653,154,352,022,783/93,423,117.23 - Step 6: Final answer
x = 71,215,289.63
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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.