Finding the Fourth Proportional to 249,480,233.70, 374,220,350.55 and 103,865,399.70
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Solution
The fourth proportional to 249,480,233.70, 374,220,350.55 and 103,865,399.70 is: 155,798,099.55
Step by Step Solution
- Step 1: Write the proportion equation
249,480,233.70 : 374,220,350.55 = 103,865,399.70 : x - Step 2: Convert to fraction form
249,480,233.70/374,220,350.55 = 103,865,399.70/x - Step 3: Cross multiply
249,480,233.70x = 374,220,350.55 × 103,865,399.70 - Step 4: Simplify right side
249,480,233.70x = 38,868,546,285,749,864 - Step 5: Solve for x
x = 38,868,546,285,749,864/249,480,233.70 - Step 6: Final answer
x = 155,798,099.55
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.