Home / 107,798,891.60-161,698,337.40-31,124,421.20

Finding the Fourth Proportional to 107,798,891.60, 161,698,337.40 and 31,124,421.20

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Solution

The fourth proportional to 107,798,891.60, 161,698,337.40 and 31,124,421.20 is: 46,686,631.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,798,891.60 : 161,698,337.40 = 31,124,421.20 : x
  2. Step 2: Convert to fraction form
    107,798,891.60/161,698,337.40 = 31,124,421.20/x
  3. Step 3: Cross multiply
    107,798,891.60x = 161,698,337.40 × 31,124,421.20
  4. Step 4: Simplify right side
    107,798,891.60x = 5,032,767,160,577,313
  5. Step 5: Solve for x
    x = 5,032,767,160,577,313/107,798,891.60
  6. Step 6: Final answer
    x = 46,686,631.80

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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.