Home / 113,942,938.12-157,241,041.86-61,733,271.40

Finding the Fourth Proportional to 113,942,938.12, 157,241,041.86 and 61,733,271.40

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Solution

The fourth proportional to 113,942,938.12, 157,241,041.86 and 61,733,271.40 is: 85,191,799.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,942,938.12 : 157,241,041.86 = 61,733,271.40 : x
  2. Step 2: Convert to fraction form
    113,942,938.12/157,241,041.86 = 61,733,271.40/x
  3. Step 3: Cross multiply
    113,942,938.12x = 157,241,041.86 × 61,733,271.40
  4. Step 4: Simplify right side
    113,942,938.12x = 9,707,003,912,362,142
  5. Step 5: Solve for x
    x = 9,707,003,912,362,142/113,942,938.12
  6. Step 6: Final answer
    x = 85,191,799.27

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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.