Finding the Fourth Proportional to 249,801,484.77, 344,762,123.99 and 143,934,632.19
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Solution
The fourth proportional to 249,801,484.77, 344,762,123.99 and 143,934,632.19 is: 198,650,578.70
Step by Step Solution
- Step 1: Write the proportion equation
249,801,484.77 : 344,762,123.99 = 143,934,632.19 : x - Step 2: Convert to fraction form
249,801,484.77/344,762,123.99 = 143,934,632.19/x - Step 3: Cross multiply
249,801,484.77x = 344,762,123.99 × 143,934,632.19 - Step 4: Simplify right side
249,801,484.77x = 49,623,209,508,824,152 - Step 5: Solve for x
x = 49,623,209,508,824,152/249,801,484.77 - Step 6: Final answer
x = 198,650,578.70
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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.