Home / 187,214,953.60-280,822,430.40-85,178,281.60

Finding the Fourth Proportional to 187,214,953.60, 280,822,430.40 and 85,178,281.60

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Solution

The fourth proportional to 187,214,953.60, 280,822,430.40 and 85,178,281.60 is: 127,767,422.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,214,953.60 : 280,822,430.40 = 85,178,281.60 : x
  2. Step 2: Convert to fraction form
    187,214,953.60/280,822,430.40 = 85,178,281.60/x
  3. Step 3: Cross multiply
    187,214,953.60x = 280,822,430.40 × 85,178,281.60
  4. Step 4: Simplify right side
    187,214,953.60x = 23,919,972,056,207,596
  5. Step 5: Solve for x
    x = 23,919,972,056,207,596/187,214,953.60
  6. Step 6: Final answer
    x = 127,767,422.40

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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.