Finding the Fourth Proportional to 66,689,937.19, 100,020,908.98 and 18,809,683.75
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Solution
The fourth proportional to 66,689,937.19, 100,020,908.98 and 18,809,683.75 is: 28,210,577.87
Step by Step Solution
- Step 1: Write the proportion equation
66,689,937.19 : 100,020,908.98 = 18,809,683.75 : x - Step 2: Convert to fraction form
66,689,937.19/100,020,908.98 = 18,809,683.75/x - Step 3: Cross multiply
66,689,937.19x = 100,020,908.98 × 18,809,683.75 - Step 4: Simplify right side
66,689,937.19x = 1,881,361,666,301,335.25 - Step 5: Solve for x
x = 1,881,361,666,301,335.25/66,689,937.19 - Step 6: Final answer
x = 28,210,577.87
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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.