Home / 186,748,526.68-257,734,826.58-155,331,147.40

Finding the Fourth Proportional to 186,748,526.68, 257,734,826.58 and 155,331,147.40

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Solution

The fourth proportional to 186,748,526.68, 257,734,826.58 and 155,331,147.40 is: 214,375,165.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,748,526.68 : 257,734,826.58 = 155,331,147.40 : x
  2. Step 2: Convert to fraction form
    186,748,526.68/257,734,826.58 = 155,331,147.40/x
  3. Step 3: Cross multiply
    186,748,526.68x = 257,734,826.58 × 155,331,147.40
  4. Step 4: Simplify right side
    186,748,526.68x = 40,034,246,337,611,424
  5. Step 5: Solve for x
    x = 40,034,246,337,611,424/186,748,526.68
  6. Step 6: Final answer
    x = 214,375,165.63

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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.