Finding the Fourth Proportional to 134,918,637.16, 186,187,781.94 and 73,038,975.68
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Solution
The fourth proportional to 134,918,637.16, 186,187,781.94 and 73,038,975.68 is: 100,793,820.36
Step by Step Solution
- Step 1: Write the proportion equation
134,918,637.16 : 186,187,781.94 = 73,038,975.68 : x - Step 2: Convert to fraction form
134,918,637.16/186,187,781.94 = 73,038,975.68/x - Step 3: Cross multiply
134,918,637.16x = 186,187,781.94 × 73,038,975.68 - Step 4: Simplify right side
134,918,637.16x = 13,598,964,877,028,804 - Step 5: Solve for x
x = 13,598,964,877,028,804/134,918,637.16 - Step 6: Final answer
x = 100,793,820.36
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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.