Finding the Fourth Proportional to 77,439,623.83, 106,872,927.47 and 44,402,946.55
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Solution
The fourth proportional to 77,439,623.83, 106,872,927.47 and 44,402,946.55 is: 61,279,647.95
Step by Step Solution
- Step 1: Write the proportion equation
77,439,623.83 : 106,872,927.47 = 44,402,946.55 : x - Step 2: Convert to fraction form
77,439,623.83/106,872,927.47 = 44,402,946.55/x - Step 3: Cross multiply
77,439,623.83x = 106,872,927.47 × 44,402,946.55 - Step 4: Simplify right side
77,439,623.83x = 4,745,472,885,870,422 - Step 5: Solve for x
x = 4,745,472,885,870,422/77,439,623.83 - Step 6: Final answer
x = 61,279,647.95
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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.