Finding the Fourth Proportional to 165,745,070.76, 248,636,829.96 and 55,090,656.48
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Solution
The fourth proportional to 165,745,070.76, 248,636,829.96 and 55,090,656.48 is: 82,642,374.37
Step by Step Solution
- Step 1: Write the proportion equation
165,745,070.76 : 248,636,829.96 = 55,090,656.48 : x - Step 2: Convert to fraction form
165,745,070.76/248,636,829.96 = 55,090,656.48/x - Step 3: Cross multiply
165,745,070.76x = 248,636,829.96 × 55,090,656.48 - Step 4: Simplify right side
165,745,070.76x = 13,697,566,187,602,532 - Step 5: Solve for x
x = 13,697,566,187,602,532/165,745,070.76 - Step 6: Final answer
x = 82,642,374.37
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.