Home / 107,196,434.81-147,847,681.93-77,538,337.02

Finding the Fourth Proportional to 107,196,434.81, 147,847,681.93 and 77,538,337.02

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Solution

The fourth proportional to 107,196,434.81, 147,847,681.93 and 77,538,337.02 is: 106,942,580.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,196,434.81 : 147,847,681.93 = 77,538,337.02 : x
  2. Step 2: Convert to fraction form
    107,196,434.81/147,847,681.93 = 77,538,337.02/x
  3. Step 3: Cross multiply
    107,196,434.81x = 147,847,681.93 × 77,538,337.02
  4. Step 4: Simplify right side
    107,196,434.81x = 11,463,863,389,483,722
  5. Step 5: Solve for x
    x = 11,463,863,389,483,722/107,196,434.81
  6. Step 6: Final answer
    x = 106,942,580.78

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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.