Finding the Fourth Proportional to 99,828,790.06, 149,746,235.65 and 34,249,007.87
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Solution
The fourth proportional to 99,828,790.06, 149,746,235.65 and 34,249,007.87 is: 51,374,558.38
Step by Step Solution
- Step 1: Write the proportion equation
99,828,790.06 : 149,746,235.65 = 34,249,007.87 : x - Step 2: Convert to fraction form
99,828,790.06/149,746,235.65 = 34,249,007.87/x - Step 3: Cross multiply
99,828,790.06x = 149,746,235.65 × 34,249,007.87 - Step 4: Simplify right side
99,828,790.06x = 5,128,660,003,279,724 - Step 5: Solve for x
x = 5,128,660,003,279,724/99,828,790.06 - Step 6: Final answer
x = 51,374,558.38
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.