Finding the Fourth Proportional to 101,053,637.61, 139,454,853.96 and 55,791,840.99
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Solution
The fourth proportional to 101,053,637.61, 139,454,853.96 and 55,791,840.99 is: 76,993,201.06
Step by Step Solution
- Step 1: Write the proportion equation
101,053,637.61 : 139,454,853.96 = 55,791,840.99 : x - Step 2: Convert to fraction form
101,053,637.61/139,454,853.96 = 55,791,840.99/x - Step 3: Cross multiply
101,053,637.61x = 139,454,853.96 × 55,791,840.99 - Step 4: Simplify right side
101,053,637.61x = 7,780,443,038,152,167 - Step 5: Solve for x
x = 7,780,443,038,152,167/101,053,637.61 - Step 6: Final answer
x = 76,993,201.06
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.