Finding the Fourth Proportional to 81,912,415.04, 113,038,368.58 and 44,742,681.08
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Solution
The fourth proportional to 81,912,415.04, 113,038,368.58 and 44,742,681.08 is: 61,744,482.48
Step by Step Solution
- Step 1: Write the proportion equation
81,912,415.04 : 113,038,368.58 = 44,742,681.08 : x - Step 2: Convert to fraction form
81,912,415.04/113,038,368.58 = 44,742,681.08/x - Step 3: Cross multiply
81,912,415.04x = 113,038,368.58 × 44,742,681.08 - Step 4: Simplify right side
81,912,415.04x = 5,057,639,675,178,432 - Step 5: Solve for x
x = 5,057,639,675,178,432/81,912,415.04 - Step 6: Final answer
x = 61,744,482.48
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.