Finding the Fourth Proportional to 86,242,947.04, 119,068,988.44 and 54,898,688.08
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Solution
The fourth proportional to 86,242,947.04, 119,068,988.44 and 54,898,688.08 is: 75,794,386.45
Step by Step Solution
- Step 1: Write the proportion equation
86,242,947.04 : 119,068,988.44 = 54,898,688.08 : x - Step 2: Convert to fraction form
86,242,947.04/119,068,988.44 = 54,898,688.08/x - Step 3: Cross multiply
86,242,947.04x = 119,068,988.44 × 54,898,688.08 - Step 4: Simplify right side
86,242,947.04x = 6,536,731,256,368,685 - Step 5: Solve for x
x = 6,536,731,256,368,685/86,242,947.04 - Step 6: Final answer
x = 75,794,386.45
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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.