Finding the Fourth Proportional to 90,866,355,626.04, 136,302,310,176.84 and 31,174,180,576.68
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Solution
The fourth proportional to 90,866,355,626.04, 136,302,310,176.84 and 31,174,180,576.68 is: 46,762,223,500.62
Step by Step Solution
- Step 1: Write the proportion equation
90,866,355,626.04 : 136,302,310,176.84 = 31,174,180,576.68 : x - Step 2: Convert to fraction form
90,866,355,626.04/136,302,310,176.84 = 31,174,180,576.68/x - Step 3: Cross multiply
90,866,355,626.04x = 136,302,310,176.84 × 31,174,180,576.68 - Step 4: Simplify right side
90,866,355,626.04x = 4,249,112,830,471,458,258,944 - Step 5: Solve for x
x = 4,249,112,830,471,458,258,944/90,866,355,626.04 - Step 6: Final answer
x = 46,762,223,500.62
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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.