Finding the Fourth Proportional to 83,011,526.51, 114,547,206.96 and 48,197,417.09
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Solution
The fourth proportional to 83,011,526.51, 114,547,206.96 and 48,197,417.09 is: 66,507,384.48
Step by Step Solution
- Step 1: Write the proportion equation
83,011,526.51 : 114,547,206.96 = 48,197,417.09 : x - Step 2: Convert to fraction form
83,011,526.51/114,547,206.96 = 48,197,417.09/x - Step 3: Cross multiply
83,011,526.51x = 114,547,206.96 × 48,197,417.09 - Step 4: Simplify right side
83,011,526.51x = 5,520,879,509,772,935 - Step 5: Solve for x
x = 5,520,879,509,772,935/83,011,526.51 - Step 6: Final answer
x = 66,507,384.48
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1.5x scale
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.