Finding the Fourth Proportional to 117,958,746.18, 176,937,966.99 and 31,697,154.12
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Solution
The fourth proportional to 117,958,746.18, 176,937,966.99 and 31,697,154.12 is: 47,545,690.26
Step by Step Solution
- Step 1: Write the proportion equation
117,958,746.18 : 176,937,966.99 = 31,697,154.12 : x - Step 2: Convert to fraction form
117,958,746.18/176,937,966.99 = 31,697,154.12/x - Step 3: Cross multiply
117,958,746.18x = 176,937,966.99 × 31,697,154.12 - Step 4: Simplify right side
117,958,746.18x = 5,608,430,009,361,503 - Step 5: Solve for x
x = 5,608,430,009,361,503/117,958,746.18 - Step 6: Final answer
x = 47,545,690.26
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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.