Finding the Fourth Proportional to 70,357,025.68, 97,096,681.40 and 39,427,159.48
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Solution
The fourth proportional to 70,357,025.68, 97,096,681.40 and 39,427,159.48 is: 54,411,713.76
Step by Step Solution
- Step 1: Write the proportion equation
70,357,025.68 : 97,096,681.40 = 39,427,159.48 : x - Step 2: Convert to fraction form
70,357,025.68/97,096,681.40 = 39,427,159.48/x - Step 3: Cross multiply
70,357,025.68x = 97,096,681.40 × 39,427,159.48 - Step 4: Simplify right side
70,357,025.68x = 3,828,246,342,536,549.50 - Step 5: Solve for x
x = 3,828,246,342,536,549.50/70,357,025.68 - Step 6: Final answer
x = 54,411,713.76
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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.