Finding the Fourth Proportional to 249,375,067.20, 344,148,220.80 and 139,366,776.96
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Solution
The fourth proportional to 249,375,067.20, 344,148,220.80 and 139,366,776.96 is: 192,332,091.85
Step by Step Solution
- Step 1: Write the proportion equation
249,375,067.20 : 344,148,220.80 = 139,366,776.96 : x - Step 2: Convert to fraction form
249,375,067.20/344,148,220.80 = 139,366,776.96/x - Step 3: Cross multiply
249,375,067.20x = 344,148,220.80 × 139,366,776.96 - Step 4: Simplify right side
249,375,067.20x = 47,962,828,329,414,440 - Step 5: Solve for x
x = 47,962,828,329,414,440/249,375,067.20 - Step 6: Final answer
x = 192,332,091.85
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.