Finding the Fourth Proportional to 113,513,396.10, 156,648,480.63 and 61,302,426.75
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Solution
The fourth proportional to 113,513,396.10, 156,648,480.63 and 61,302,426.75 is: 84,597,345.68
Step by Step Solution
- Step 1: Write the proportion equation
113,513,396.10 : 156,648,480.63 = 61,302,426.75 : x - Step 2: Convert to fraction form
113,513,396.10/156,648,480.63 = 61,302,426.75/x - Step 3: Cross multiply
113,513,396.10x = 156,648,480.63 × 61,302,426.75 - Step 4: Simplify right side
113,513,396.10x = 9,602,932,009,319,368 - Step 5: Solve for x
x = 9,602,932,009,319,368/113,513,396.10 - Step 6: Final answer
x = 84,597,345.68
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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.