Finding the Fourth Proportional to 228,912,720.95, 315,896,554.77 and 124,488,566.66
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Solution
The fourth proportional to 228,912,720.95, 315,896,554.77 and 124,488,566.66 is: 171,792,590.43
Step by Step Solution
- Step 1: Write the proportion equation
228,912,720.95 : 315,896,554.77 = 124,488,566.66 : x - Step 2: Convert to fraction form
228,912,720.95/315,896,554.77 = 124,488,566.66/x - Step 3: Cross multiply
228,912,720.95x = 315,896,554.77 × 124,488,566.66 - Step 4: Simplify right side
228,912,720.95x = 39,325,509,314,570,000 - Step 5: Solve for x
x = 39,325,509,314,570,000/228,912,720.95 - Step 6: Final answer
x = 171,792,590.43
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.