Finding the Fourth Proportional to 172,124,389.19, 258,237,239.35 and 55,537,558.05
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Solution
The fourth proportional to 172,124,389.19, 258,237,239.35 and 55,537,558.05 is: 83,322,681.57
Step by Step Solution
- Step 1: Write the proportion equation
172,124,389.19 : 258,237,239.35 = 55,537,558.05 : x - Step 2: Convert to fraction form
172,124,389.19/258,237,239.35 = 55,537,558.05/x - Step 3: Cross multiply
172,124,389.19x = 258,237,239.35 × 55,537,558.05 - Step 4: Simplify right side
172,124,389.19x = 14,341,865,669,987,690 - Step 5: Solve for x
x = 14,341,865,669,987,690/172,124,389.19 - Step 6: Final answer
x = 83,322,681.57
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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.