Finding the Fourth Proportional to 99,854,566.16, 137,799,487.99 and 55,801,565.04
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Solution
The fourth proportional to 99,854,566.16, 137,799,487.99 and 55,801,565.04 is: 77,006,264.09
Step by Step Solution
- Step 1: Write the proportion equation
99,854,566.16 : 137,799,487.99 = 55,801,565.04 : x - Step 2: Convert to fraction form
99,854,566.16/137,799,487.99 = 55,801,565.04/x - Step 3: Cross multiply
99,854,566.16x = 137,799,487.99 × 55,801,565.04 - Step 4: Simplify right side
99,854,566.16x = 7,689,427,091,552,684 - Step 5: Solve for x
x = 7,689,427,091,552,684/99,854,566.16 - Step 6: Final answer
x = 77,006,264.09
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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.