Finding the Fourth Proportional to 63,891,444.16, 88,319,135.95 and 56,990,516.02
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Solution
The fourth proportional to 63,891,444.16, 88,319,135.95 and 56,990,516.02 is: 78,779,767.75
Step by Step Solution
- Step 1: Write the proportion equation
63,891,444.16 : 88,319,135.95 = 56,990,516.02 : x - Step 2: Convert to fraction form
63,891,444.16/88,319,135.95 = 56,990,516.02/x - Step 3: Cross multiply
63,891,444.16x = 88,319,135.95 × 56,990,516.02 - Step 4: Simplify right side
63,891,444.16x = 5,033,353,132,188,616 - Step 5: Solve for x
x = 5,033,353,132,188,616/63,891,444.16 - Step 6: Final answer
x = 78,779,767.75
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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.