Finding the Fourth Proportional to 70,391,725,829.24, 97,142,422,700.34 and 38,278,966,128.01
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Solution
The fourth proportional to 70,391,725,829.24, 97,142,422,700.34 and 38,278,966,128.01 is: 52,825,974,421.48
Step by Step Solution
- Step 1: Write the proportion equation
70,391,725,829.24 : 97,142,422,700.34 = 38,278,966,128.01 : x - Step 2: Convert to fraction form
70,391,725,829.24/97,142,422,700.34 = 38,278,966,128.01/x - Step 3: Cross multiply
70,391,725,829.24x = 97,142,422,700.34 × 38,278,966,128.01 - Step 4: Simplify right side
70,391,725,829.24x = 3,718,511,508,139,144,642,560 - Step 5: Solve for x
x = 3,718,511,508,139,144,642,560/70,391,725,829.24 - Step 6: Final answer
x = 52,825,974,421.48
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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.