Home / 131,187,356.40-196,781,034.60-58,403,996.40

Finding the Fourth Proportional to 131,187,356.40, 196,781,034.60 and 58,403,996.40

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Solution

The fourth proportional to 131,187,356.40, 196,781,034.60 and 58,403,996.40 is: 87,605,994.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,187,356.40 : 196,781,034.60 = 58,403,996.40 : x
  2. Step 2: Convert to fraction form
    131,187,356.40/196,781,034.60 = 58,403,996.40/x
  3. Step 3: Cross multiply
    131,187,356.40x = 196,781,034.60 × 58,403,996.40
  4. Step 4: Simplify right side
    131,187,356.40x = 11,492,798,836,366,674
  5. Step 5: Solve for x
    x = 11,492,798,836,366,674/131,187,356.40
  6. Step 6: Final answer
    x = 87,605,994.60

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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.