Finding the Fourth Proportional to 126,756,289,920.26, 174,927,875,125.72 and 69,665,624,023.70
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Solution
The fourth proportional to 126,756,289,920.26, 174,927,875,125.72 and 69,665,624,023.70 is: 96,140,866,756.50
Step by Step Solution
- Step 1: Write the proportion equation
126,756,289,920.26 : 174,927,875,125.72 = 69,665,624,023.70 : x - Step 2: Convert to fraction form
126,756,289,920.26/174,927,875,125.72 = 69,665,624,023.70/x - Step 3: Cross multiply
126,756,289,920.26x = 174,927,875,125.72 × 69,665,624,023.70 - Step 4: Simplify right side
126,756,289,920.26x = 12,186,459,579,772,280,242,176 - Step 5: Solve for x
x = 12,186,459,579,772,280,242,176/126,756,289,920.26 - Step 6: Final answer
x = 96,140,866,756.50
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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.