Finding the Fourth Proportional to 205,402,495.13, 283,485,867.19 and 130,055,827.13
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Solution
The fourth proportional to 205,402,495.13, 283,485,867.19 and 130,055,827.13 is: 179,496,305.11
Step by Step Solution
- Step 1: Write the proportion equation
205,402,495.13 : 283,485,867.19 = 130,055,827.13 : x - Step 2: Convert to fraction form
205,402,495.13/283,485,867.19 = 130,055,827.13/x - Step 3: Cross multiply
205,402,495.13x = 283,485,867.19 × 130,055,827.13 - Step 4: Simplify right side
205,402,495.13x = 36,868,988,937,060,776 - Step 5: Solve for x
x = 36,868,988,937,060,776/205,402,495.13 - Step 6: Final answer
x = 179,496,305.11
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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.