Home / 189,312,346.20-283,772,564.10-102,868,109.40

Finding the Fourth Proportional to 189,312,346.20, 283,772,564.10 and 102,868,109.40

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Solution

The fourth proportional to 189,312,346.20, 283,772,564.10 and 102,868,109.40 is: 154,195,686.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,312,346.20 : 283,772,564.10 = 102,868,109.40 : x
  2. Step 2: Convert to fraction form
    189,312,346.20/283,772,564.10 = 102,868,109.40/x
  3. Step 3: Cross multiply
    189,312,346.20x = 283,772,564.10 × 102,868,109.40
  4. Step 4: Simplify right side
    189,312,346.20x = 29,191,147,168,557,316
  5. Step 5: Solve for x
    x = 29,191,147,168,557,316/189,312,346.20
  6. Step 6: Final answer
    x = 154,195,686.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.