Finding the Fourth Proportional to 249,606,698.79, 373,681,514.70 and 145,657,364.07
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Solution
The fourth proportional to 249,606,698.79, 373,681,514.70 and 145,657,364.07 is: 218,060,912.21
Step by Step Solution
- Step 1: Write the proportion equation
249,606,698.79 : 373,681,514.70 = 145,657,364.07 : x - Step 2: Convert to fraction form
249,606,698.79/373,681,514.70 = 145,657,364.07/x - Step 3: Cross multiply
249,606,698.79x = 373,681,514.70 × 145,657,364.07 - Step 4: Simplify right side
249,606,698.79x = 54,429,464,432,886,952 - Step 5: Solve for x
x = 54,429,464,432,886,952/249,606,698.79 - Step 6: Final answer
x = 218,060,912.21
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.