Home / 66,528,055.60-99,717,433.80-37,787,959.60

Finding the Fourth Proportional to 66,528,055.60, 99,717,433.80 and 37,787,959.60

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Solution

The fourth proportional to 66,528,055.60, 99,717,433.80 and 37,787,959.60 is: 56,639,538.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,528,055.60 : 99,717,433.80 = 37,787,959.60 : x
  2. Step 2: Convert to fraction form
    66,528,055.60/99,717,433.80 = 37,787,959.60/x
  3. Step 3: Cross multiply
    66,528,055.60x = 99,717,433.80 × 37,787,959.60
  4. Step 4: Simplify right side
    66,528,055.60x = 3,768,118,359,850,074.50
  5. Step 5: Solve for x
    x = 3,768,118,359,850,074.50/66,528,055.60
  6. Step 6: Final answer
    x = 56,639,538.40

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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.