Home / 71,457,205.60-107,185,808.40-64,867,337.20

Finding the Fourth Proportional to 71,457,205.60, 107,185,808.40 and 64,867,337.20

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Solution

The fourth proportional to 71,457,205.60, 107,185,808.40 and 64,867,337.20 is: 97,301,005.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,457,205.60 : 107,185,808.40 = 64,867,337.20 : x
  2. Step 2: Convert to fraction form
    71,457,205.60/107,185,808.40 = 64,867,337.20/x
  3. Step 3: Cross multiply
    71,457,205.60x = 107,185,808.40 × 64,867,337.20
  4. Step 4: Simplify right side
    71,457,205.60x = 6,952,857,976,537,393
  5. Step 5: Solve for x
    x = 6,952,857,976,537,393/71,457,205.60
  6. Step 6: Final answer
    x = 97,301,005.80

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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.