Finding the Fourth Proportional to 249,786,758.68, 344,709,807.92 and 136,754,364.63
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Solution
The fourth proportional to 249,786,758.68, 344,709,807.92 and 136,754,364.63 is: 188,723,257.43
Step by Step Solution
- Step 1: Write the proportion equation
249,786,758.68 : 344,709,807.92 = 136,754,364.63 : x - Step 2: Convert to fraction form
249,786,758.68/344,709,807.92 = 136,754,364.63/x - Step 3: Cross multiply
249,786,758.68x = 344,709,807.92 × 136,754,364.63 - Step 4: Simplify right side
249,786,758.68x = 47,140,570,761,421,624 - Step 5: Solve for x
x = 47,140,570,761,421,624/249,786,758.68 - Step 6: Final answer
x = 188,723,257.43
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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.