Home / 63,148,143.12-87,144,436.36-34,174,767.12

Finding the Fourth Proportional to 63,148,143.12, 87,144,436.36 and 34,174,767.12

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Solution

The fourth proportional to 63,148,143.12, 87,144,436.36 and 34,174,767.12 is: 47,161,178.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,148,143.12 : 87,144,436.36 = 34,174,767.12 : x
  2. Step 2: Convert to fraction form
    63,148,143.12/87,144,436.36 = 34,174,767.12/x
  3. Step 3: Cross multiply
    63,148,143.12x = 87,144,436.36 × 34,174,767.12
  4. Step 4: Simplify right side
    63,148,143.12x = 2,978,140,818,406,660
  5. Step 5: Solve for x
    x = 2,978,140,818,406,660/63,148,143.12
  6. Step 6: Final answer
    x = 47,161,178.01

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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.