Home / 185,758,688.40-278,638,032.60-99,665,246.40

Finding the Fourth Proportional to 185,758,688.40, 278,638,032.60 and 99,665,246.40

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Solution

The fourth proportional to 185,758,688.40, 278,638,032.60 and 99,665,246.40 is: 149,497,869.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,758,688.40 : 278,638,032.60 = 99,665,246.40 : x
  2. Step 2: Convert to fraction form
    185,758,688.40/278,638,032.60 = 99,665,246.40/x
  3. Step 3: Cross multiply
    185,758,688.40x = 278,638,032.60 × 99,665,246.40
  4. Step 4: Simplify right side
    185,758,688.40x = 27,770,528,175,490,236
  5. Step 5: Solve for x
    x = 27,770,528,175,490,236/185,758,688.40
  6. Step 6: Final answer
    x = 149,497,869.60

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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.