Home / 189,312,345.20-283,772,562.60-102,868,108.40

Finding the Fourth Proportional to 189,312,345.20, 283,772,562.60 and 102,868,108.40

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Solution

The fourth proportional to 189,312,345.20, 283,772,562.60 and 102,868,108.40 is: 154,195,684.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,312,345.20 : 283,772,562.60 = 102,868,108.40 : x
  2. Step 2: Convert to fraction form
    189,312,345.20/283,772,562.60 = 102,868,108.40/x
  3. Step 3: Cross multiply
    189,312,345.20x = 283,772,562.60 × 102,868,108.40
  4. Step 4: Simplify right side
    189,312,345.20x = 29,191,146,730,482,588
  5. Step 5: Solve for x
    x = 29,191,146,730,482,588/189,312,345.20
  6. Step 6: Final answer
    x = 154,195,684.91

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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.