Finding the Fourth Proportional to 361,626,221.00, 542,381,195.57 and 99,249,479.97
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Solution
The fourth proportional to 361,626,221.00, 542,381,195.57 and 99,249,479.97 is: 148,858,264.36
Step by Step Solution
- Step 1: Write the proportion equation
361,626,221.00 : 542,381,195.57 = 99,249,479.97 : x - Step 2: Convert to fraction form
361,626,221.00/542,381,195.57 = 99,249,479.97/x - Step 3: Cross multiply
361,626,221.00x = 542,381,195.57 × 99,249,479.97 - Step 4: Simplify right side
361,626,221.00x = 53,831,051,605,333,128 - Step 5: Solve for x
x = 53,831,051,605,333,128/361,626,221.00 - Step 6: Final answer
x = 148,858,264.36
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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.