Home / 102,936,016.10-154,460,011.35-42,357,865.70

Finding the Fourth Proportional to 102,936,016.10, 154,460,011.35 and 42,357,865.70

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Solution

The fourth proportional to 102,936,016.10, 154,460,011.35 and 42,357,865.70 is: 63,559,837.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,936,016.10 : 154,460,011.35 = 42,357,865.70 : x
  2. Step 2: Convert to fraction form
    102,936,016.10/154,460,011.35 = 42,357,865.70/x
  3. Step 3: Cross multiply
    102,936,016.10x = 154,460,011.35 × 42,357,865.70
  4. Step 4: Simplify right side
    102,936,016.10x = 6,542,596,416,783,776
  5. Step 5: Solve for x
    x = 6,542,596,416,783,776/102,936,016.10
  6. Step 6: Final answer
    x = 63,559,837.12

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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.