Finding the Fourth Proportional to 115,164,281.13, 158,926,719.93 and 62,953,529.55
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Solution
The fourth proportional to 115,164,281.13, 158,926,719.93 and 62,953,529.55 is: 86,875,877.32
Step by Step Solution
- Step 1: Write the proportion equation
115,164,281.13 : 158,926,719.93 = 62,953,529.55 : x - Step 2: Convert to fraction form
115,164,281.13/158,926,719.93 = 62,953,529.55/x - Step 3: Cross multiply
115,164,281.13x = 158,926,719.93 × 62,953,529.55 - Step 4: Simplify right side
115,164,281.13x = 10,004,997,959,397,828 - Step 5: Solve for x
x = 10,004,997,959,397,828/115,164,281.13 - Step 6: Final answer
x = 86,875,877.32
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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.