Finding the Fourth Proportional to 225,221,204.66, 310,808,470.84 and 129,849,826.58
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Solution
The fourth proportional to 225,221,204.66, 310,808,470.84 and 129,849,826.58 is: 179,194,610.47
Step by Step Solution
- Step 1: Write the proportion equation
225,221,204.66 : 310,808,470.84 = 129,849,826.58 : x - Step 2: Convert to fraction form
225,221,204.66/310,808,470.84 = 129,849,826.58/x - Step 3: Cross multiply
225,221,204.66x = 310,808,470.84 × 129,849,826.58 - Step 4: Simplify right side
225,221,204.66x = 40,358,426,038,168,984 - Step 5: Solve for x
x = 40,358,426,038,168,984/225,221,204.66 - Step 6: Final answer
x = 179,194,610.47
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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.