Finding the Fourth Proportional to 70,762,129.79, 97,655,758.17 and 42,513,143.36
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Solution
The fourth proportional to 70,762,129.79, 97,655,758.17 and 42,513,143.36 is: 58,670,552.45
Step by Step Solution
- Step 1: Write the proportion equation
70,762,129.79 : 97,655,758.17 = 42,513,143.36 : x - Step 2: Convert to fraction form
70,762,129.79/97,655,758.17 = 42,513,143.36/x - Step 3: Cross multiply
70,762,129.79x = 97,655,758.17 × 42,513,143.36 - Step 4: Simplify right side
70,762,129.79x = 4,151,653,247,010,701.50 - Step 5: Solve for x
x = 4,151,653,247,010,701.50/70,762,129.79 - Step 6: Final answer
x = 58,670,552.45
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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.