Home / 66,420,030.60-99,630,045.90-65,524,235.40

Finding the Fourth Proportional to 66,420,030.60, 99,630,045.90 and 65,524,235.40

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Solution

The fourth proportional to 66,420,030.60, 99,630,045.90 and 65,524,235.40 is: 98,286,353.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,420,030.60 : 99,630,045.90 = 65,524,235.40 : x
  2. Step 2: Convert to fraction form
    66,420,030.60/99,630,045.90 = 65,524,235.40/x
  3. Step 3: Cross multiply
    66,420,030.60x = 99,630,045.90 × 65,524,235.40
  4. Step 4: Simplify right side
    66,420,030.60x = 6,528,182,580,464,405
  5. Step 5: Solve for x
    x = 6,528,182,580,464,405/66,420,030.60
  6. Step 6: Final answer
    x = 98,286,353.10

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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.