Finding the Fourth Proportional to 246,779,700.72, 340,357,413.18 and 216,946,561.12
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Solution
The fourth proportional to 246,779,700.72, 340,357,413.18 and 216,946,561.12 is: 299,211,686.07
Step by Step Solution
- Step 1: Write the proportion equation
246,779,700.72 : 340,357,413.18 = 216,946,561.12 : x - Step 2: Convert to fraction form
246,779,700.72/340,357,413.18 = 216,946,561.12/x - Step 3: Cross multiply
246,779,700.72x = 340,357,413.18 × 216,946,561.12 - Step 4: Simplify right side
246,779,700.72x = 73,839,370,341,099,968 - Step 5: Solve for x
x = 73,839,370,341,099,968/246,779,700.72 - Step 6: Final answer
x = 299,211,686.07
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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.