Home / 98,345,555.89-135,713,312.13-54,291,610.67

Finding the Fourth Proportional to 98,345,555.89, 135,713,312.13 and 54,291,610.67

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Solution

The fourth proportional to 98,345,555.89, 135,713,312.13 and 54,291,610.67 is: 74,920,460.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,345,555.89 : 135,713,312.13 = 54,291,610.67 : x
  2. Step 2: Convert to fraction form
    98,345,555.89/135,713,312.13 = 54,291,610.67/x
  3. Step 3: Cross multiply
    98,345,555.89x = 135,713,312.13 × 54,291,610.67
  4. Step 4: Simplify right side
    98,345,555.89x = 7,368,094,304,898,148
  5. Step 5: Solve for x
    x = 7,368,094,304,898,148/98,345,555.89
  6. Step 6: Final answer
    x = 74,920,460.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.