Finding the Fourth Proportional to 249,307,187.98, 344,051,235.99 and 136,282,925.30
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Solution
The fourth proportional to 249,307,187.98, 344,051,235.99 and 136,282,925.30 is: 188,074,436.49
Step by Step Solution
- Step 1: Write the proportion equation
249,307,187.98 : 344,051,235.99 = 136,282,925.30 : x - Step 2: Convert to fraction form
249,307,187.98/344,051,235.99 = 136,282,925.30/x - Step 3: Cross multiply
249,307,187.98x = 344,051,235.99 × 136,282,925.30 - Step 4: Simplify right side
249,307,187.98x = 46,888,308,892,504,960 - Step 5: Solve for x
x = 46,888,308,892,504,960/249,307,187.98 - Step 6: Final answer
x = 188,074,436.49
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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.