Finding the Fourth Proportional to 163,369,970.64, 225,450,599.40 and 89,030,553.12
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Solution
The fourth proportional to 163,369,970.64, 225,450,599.40 and 89,030,553.12 is: 122,862,185.06
Step by Step Solution
- Step 1: Write the proportion equation
163,369,970.64 : 225,450,599.40 = 89,030,553.12 : x - Step 2: Convert to fraction form
163,369,970.64/225,450,599.40 = 89,030,553.12/x - Step 3: Cross multiply
163,369,970.64x = 225,450,599.40 × 89,030,553.12 - Step 4: Simplify right side
163,369,970.64x = 20,071,991,565,817,540 - Step 5: Solve for x
x = 20,071,991,565,817,540/163,369,970.64 - Step 6: Final answer
x = 122,862,185.06
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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.