Finding the Fourth Proportional to 98,837,637.62, 136,395,703.78 and 54,183,529.94
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Solution
The fourth proportional to 98,837,637.62, 136,395,703.78 and 54,183,529.94 is: 74,773,141.86
Step by Step Solution
- Step 1: Write the proportion equation
98,837,637.62 : 136,395,703.78 = 54,183,529.94 : x - Step 2: Convert to fraction form
98,837,637.62/136,395,703.78 = 54,183,529.94/x - Step 3: Cross multiply
98,837,637.62x = 136,395,703.78 × 54,183,529.94 - Step 4: Simplify right side
98,837,637.62x = 7,390,400,698,633,564 - Step 5: Solve for x
x = 7,390,400,698,633,564/98,837,637.62 - Step 6: Final answer
x = 74,773,141.86
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.