Finding the Fourth Proportional to 77,902,053.19, 107,501,656.55 and 44,863,547.20
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Solution
The fourth proportional to 77,902,053.19, 107,501,656.55 and 44,863,547.20 is: 61,909,865.60
Step by Step Solution
- Step 1: Write the proportion equation
77,902,053.19 : 107,501,656.55 = 44,863,547.20 : x - Step 2: Convert to fraction form
77,902,053.19/107,501,656.55 = 44,863,547.20/x - Step 3: Cross multiply
77,902,053.19x = 107,501,656.55 × 44,863,547.20 - Step 4: Simplify right side
77,902,053.19x = 4,822,905,642,820,739 - Step 5: Solve for x
x = 4,822,905,642,820,739/77,902,053.19 - Step 6: Final answer
x = 61,909,865.60
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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.