Finding the Fourth Proportional to 105,878,337.74, 146,108,943.60 and 58,835,266.08
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Solution
The fourth proportional to 105,878,337.74, 146,108,943.60 and 58,835,266.08 is: 81,190,909.84
Step by Step Solution
- Step 1: Write the proportion equation
105,878,337.74 : 146,108,943.60 = 58,835,266.08 : x - Step 2: Convert to fraction form
105,878,337.74/146,108,943.60 = 58,835,266.08/x - Step 3: Cross multiply
105,878,337.74x = 146,108,943.60 × 58,835,266.08 - Step 4: Simplify right side
105,878,337.74x = 8,596,358,573,373,712 - Step 5: Solve for x
x = 8,596,358,573,373,712/105,878,337.74 - Step 6: Final answer
x = 81,190,909.84
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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.