Finding the Fourth Proportional to 117,479,366.28, 162,124,225.65 and 64,559,364.08
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Solution
The fourth proportional to 117,479,366.28, 162,124,225.65 and 64,559,364.08 is: 89,093,406.28
Step by Step Solution
- Step 1: Write the proportion equation
117,479,366.28 : 162,124,225.65 = 64,559,364.08 : x - Step 2: Convert to fraction form
117,479,366.28/162,124,225.65 = 64,559,364.08/x - Step 3: Cross multiply
117,479,366.28x = 162,124,225.65 × 64,559,364.08 - Step 4: Simplify right side
117,479,366.28x = 10,466,636,909,115,804 - Step 5: Solve for x
x = 10,466,636,909,115,804/117,479,366.28 - Step 6: Final answer
x = 89,093,406.28
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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.