Home / 103,064,857.20-154,597,285.80-98,026,009.20

Finding the Fourth Proportional to 103,064,857.20, 154,597,285.80 and 98,026,009.20

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Solution

The fourth proportional to 103,064,857.20, 154,597,285.80 and 98,026,009.20 is: 147,039,013.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,064,857.20 : 154,597,285.80 = 98,026,009.20 : x
  2. Step 2: Convert to fraction form
    103,064,857.20/154,597,285.80 = 98,026,009.20/x
  3. Step 3: Cross multiply
    103,064,857.20x = 154,597,285.80 × 98,026,009.20
  4. Step 4: Simplify right side
    103,064,857.20x = 15,154,554,960,125,830
  5. Step 5: Solve for x
    x = 15,154,554,960,125,830/103,064,857.20
  6. Step 6: Final answer
    x = 147,039,013.80

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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.