Finding the Fourth Proportional to 249,421,860.63, 344,195,046.36 and 137,910,776.58
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Solution
The fourth proportional to 249,421,860.63, 344,195,046.36 and 137,910,776.58 is: 190,312,934.15
Step by Step Solution
- Step 1: Write the proportion equation
249,421,860.63 : 344,195,046.36 = 137,910,776.58 : x - Step 2: Convert to fraction form
249,421,860.63/344,195,046.36 = 137,910,776.58/x - Step 3: Cross multiply
249,421,860.63x = 344,195,046.36 × 137,910,776.58 - Step 4: Simplify right side
249,421,860.63x = 47,468,206,138,496,712 - Step 5: Solve for x
x = 47,468,206,138,496,712/249,421,860.63 - Step 6: Final answer
x = 190,312,934.15
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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.