Finding the Fourth Proportional to 144,636,501.88, 199,575,051.08 and 88,863,985.09
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Solution
The fourth proportional to 144,636,501.88, 199,575,051.08 and 88,863,985.09 is: 122,617,970.80
Step by Step Solution
- Step 1: Write the proportion equation
144,636,501.88 : 199,575,051.08 = 88,863,985.09 : x - Step 2: Convert to fraction form
144,636,501.88/199,575,051.08 = 88,863,985.09/x - Step 3: Cross multiply
144,636,501.88x = 199,575,051.08 × 88,863,985.09 - Step 4: Simplify right side
144,636,501.88x = 17,735,034,363,509,110 - Step 5: Solve for x
x = 17,735,034,363,509,110/144,636,501.88 - Step 6: Final answer
x = 122,617,970.80
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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.