Finding the Fourth Proportional to 77,260,440.99, 106,619,384.16 and 42,455,373.45
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Solution
The fourth proportional to 77,260,440.99, 106,619,384.16 and 42,455,373.45 is: 58,588,401.95
Step by Step Solution
- Step 1: Write the proportion equation
77,260,440.99 : 106,619,384.16 = 42,455,373.45 : x - Step 2: Convert to fraction form
77,260,440.99/106,619,384.16 = 42,455,373.45/x - Step 3: Cross multiply
77,260,440.99x = 106,619,384.16 × 42,455,373.45 - Step 4: Simplify right side
77,260,440.99x = 4,526,565,771,521,815 - Step 5: Solve for x
x = 4,526,565,771,521,815/77,260,440.99 - Step 6: Final answer
x = 58,588,401.95
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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.