Finding the Fourth Proportional to 93,449,637.36, 128,963,101.12 and 51,636,408.68
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Solution
The fourth proportional to 93,449,637.36, 128,963,101.12 and 51,636,408.68 is: 71,259,681.49
Step by Step Solution
- Step 1: Write the proportion equation
93,449,637.36 : 128,963,101.12 = 51,636,408.68 : x - Step 2: Convert to fraction form
93,449,637.36/128,963,101.12 = 51,636,408.68/x - Step 3: Cross multiply
93,449,637.36x = 128,963,101.12 × 51,636,408.68 - Step 4: Simplify right side
93,449,637.36x = 6,659,191,394,072,486 - Step 5: Solve for x
x = 6,659,191,394,072,486/93,449,637.36 - Step 6: Final answer
x = 71,259,681.49
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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.