Finding the Fourth Proportional to 291,140,113.56, 436,564,137.06 and 96,983,269.08
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Solution
The fourth proportional to 291,140,113.56, 436,564,137.06 and 96,983,269.08 is: 145,426,257.68
Step by Step Solution
- Step 1: Write the proportion equation
291,140,113.56 : 436,564,137.06 = 96,983,269.08 : x - Step 2: Convert to fraction form
291,140,113.56/436,564,137.06 = 96,983,269.08/x - Step 3: Cross multiply
291,140,113.56x = 436,564,137.06 × 96,983,269.08 - Step 4: Simplify right side
291,140,113.56x = 42,339,417,175,167,976 - Step 5: Solve for x
x = 42,339,417,175,167,976/291,140,113.56 - Step 6: Final answer
x = 145,426,257.68
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.