Home / 153,547,784.16-230,321,676.23-51,311,821.78

Finding the Fourth Proportional to 153,547,784.16, 230,321,676.23 and 51,311,821.78

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Solution

The fourth proportional to 153,547,784.16, 230,321,676.23 and 51,311,821.78 is: 76,967,732.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,547,784.16 : 230,321,676.23 = 51,311,821.78 : x
  2. Step 2: Convert to fraction form
    153,547,784.16/230,321,676.23 = 51,311,821.78/x
  3. Step 3: Cross multiply
    153,547,784.16x = 230,321,676.23 × 51,311,821.78
  4. Step 4: Simplify right side
    153,547,784.16x = 11,818,224,803,297,270
  5. Step 5: Solve for x
    x = 11,818,224,803,297,270/153,547,784.16
  6. Step 6: Final answer
    x = 76,967,732.67

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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.