Home / 189,280,938.60-283,900,412.70-155,142,743.40

Finding the Fourth Proportional to 189,280,938.60, 283,900,412.70 and 155,142,743.40

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Solution

The fourth proportional to 189,280,938.60, 283,900,412.70 and 155,142,743.40 is: 232,696,906.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,280,938.60 : 283,900,412.70 = 155,142,743.40 : x
  2. Step 2: Convert to fraction form
    189,280,938.60/283,900,412.70 = 155,142,743.40/x
  3. Step 3: Cross multiply
    189,280,938.60x = 283,900,412.70 × 155,142,743.40
  4. Step 4: Simplify right side
    189,280,938.60x = 44,045,088,878,670,200
  5. Step 5: Solve for x
    x = 44,045,088,878,670,200/189,280,938.60
  6. Step 6: Final answer
    x = 232,696,906.54

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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.