Home / 75,539,165.40-113,308,748.10-66,610,956.60

Finding the Fourth Proportional to 75,539,165.40, 113,308,748.10 and 66,610,956.60

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Solution

The fourth proportional to 75,539,165.40, 113,308,748.10 and 66,610,956.60 is: 99,916,434.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,539,165.40 : 113,308,748.10 = 66,610,956.60 : x
  2. Step 2: Convert to fraction form
    75,539,165.40/113,308,748.10 = 66,610,956.60/x
  3. Step 3: Cross multiply
    75,539,165.40x = 113,308,748.10 × 66,610,956.60
  4. Step 4: Simplify right side
    75,539,165.40x = 7,547,604,102,089,432
  5. Step 5: Solve for x
    x = 7,547,604,102,089,432/75,539,165.40
  6. Step 6: Final answer
    x = 99,916,434.90

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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.