Home / 66,473,282.60-99,709,923.90-55,126,543.40

Finding the Fourth Proportional to 66,473,282.60, 99,709,923.90 and 55,126,543.40

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Solution

The fourth proportional to 66,473,282.60, 99,709,923.90 and 55,126,543.40 is: 82,689,815.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,473,282.60 : 99,709,923.90 = 55,126,543.40 : x
  2. Step 2: Convert to fraction form
    66,473,282.60/99,709,923.90 = 55,126,543.40/x
  3. Step 3: Cross multiply
    66,473,282.60x = 99,709,923.90 × 55,126,543.40
  4. Step 4: Simplify right side
    66,473,282.60x = 5,496,663,447,284,047
  5. Step 5: Solve for x
    x = 5,496,663,447,284,047/66,473,282.60
  6. Step 6: Final answer
    x = 82,689,815.10

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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.