Finding the Fourth Proportional to 70,617,901.64, 97,453,864.71 and 38,829,405.06
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Solution
The fourth proportional to 70,617,901.64, 97,453,864.71 and 38,829,405.06 is: 53,585,217.06
Step by Step Solution
- Step 1: Write the proportion equation
70,617,901.64 : 97,453,864.71 = 38,829,405.06 : x - Step 2: Convert to fraction form
70,617,901.64/97,453,864.71 = 38,829,405.06/x - Step 3: Cross multiply
70,617,901.64x = 97,453,864.71 × 38,829,405.06 - Step 4: Simplify right side
70,617,901.64x = 3,784,075,587,487,029.50 - Step 5: Solve for x
x = 3,784,075,587,487,029.50/70,617,901.64 - Step 6: Final answer
x = 53,585,217.06
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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.