Finding the Fourth Proportional to 70,903,810.12, 97,927,970.49 and 47,658,580.78
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Solution
The fourth proportional to 70,903,810.12, 97,927,970.49 and 47,658,580.78 is: 65,823,093.07
Step by Step Solution
- Step 1: Write the proportion equation
70,903,810.12 : 97,927,970.49 = 47,658,580.78 : x - Step 2: Convert to fraction form
70,903,810.12/97,927,970.49 = 47,658,580.78/x - Step 3: Cross multiply
70,903,810.12x = 97,927,970.49 × 47,658,580.78 - Step 4: Simplify right side
70,903,810.12x = 4,667,108,092,219,121 - Step 5: Solve for x
x = 4,667,108,092,219,121/70,903,810.12 - Step 6: Final answer
x = 65,823,093.07
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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.