Finding the Fourth Proportional to 113,513,403.65, 156,648,490.99 and 61,302,434.24
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Solution
The fourth proportional to 113,513,403.65, 156,648,490.99 and 61,302,434.24 is: 84,597,355.99
Step by Step Solution
- Step 1: Write the proportion equation
113,513,403.65 : 156,648,490.99 = 61,302,434.24 : x - Step 2: Convert to fraction form
113,513,403.65/156,648,490.99 = 61,302,434.24/x - Step 3: Cross multiply
113,513,403.65x = 156,648,490.99 × 61,302,434.24 - Step 4: Simplify right side
113,513,403.65x = 9,602,933,817,948,074 - Step 5: Solve for x
x = 9,602,933,817,948,074/113,513,403.65 - Step 6: Final answer
x = 84,597,355.99
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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.