Finding the Fourth Proportional to 83,805,766.64, 125,671,995.84 and 42,281,088.28
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Solution
The fourth proportional to 83,805,766.64, 125,671,995.84 and 42,281,088.28 is: 63,403,139.94
Step by Step Solution
- Step 1: Write the proportion equation
83,805,766.64 : 125,671,995.84 = 42,281,088.28 : x - Step 2: Convert to fraction form
83,805,766.64/125,671,995.84 = 42,281,088.28/x - Step 3: Cross multiply
83,805,766.64x = 125,671,995.84 × 42,281,088.28 - Step 4: Simplify right side
83,805,766.64x = 5,313,548,750,434,833 - Step 5: Solve for x
x = 5,313,548,750,434,833/83,805,766.64 - Step 6: Final answer
x = 63,403,139.94
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.