Finding the Fourth Proportional to 291,398,226.16, 402,152,475.36 and 165,955,726.12
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Solution
The fourth proportional to 291,398,226.16, 402,152,475.36 and 165,955,726.12 is: 229,031,957.19
Step by Step Solution
- Step 1: Write the proportion equation
291,398,226.16 : 402,152,475.36 = 165,955,726.12 : x - Step 2: Convert to fraction form
291,398,226.16/402,152,475.36 = 165,955,726.12/x - Step 3: Cross multiply
291,398,226.16x = 402,152,475.36 × 165,955,726.12 - Step 4: Simplify right side
291,398,226.16x = 66,739,506,059,324,216 - Step 5: Solve for x
x = 66,739,506,059,324,216/291,398,226.16 - Step 6: Final answer
x = 229,031,957.19
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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.