Home / 72,495,229.60-108,742,844.40-69,708,311.20

Finding the Fourth Proportional to 72,495,229.60, 108,742,844.40 and 69,708,311.20

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Solution

The fourth proportional to 72,495,229.60, 108,742,844.40 and 69,708,311.20 is: 104,562,466.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,495,229.60 : 108,742,844.40 = 69,708,311.20 : x
  2. Step 2: Convert to fraction form
    72,495,229.60/108,742,844.40 = 69,708,311.20/x
  3. Step 3: Cross multiply
    72,495,229.60x = 108,742,844.40 × 69,708,311.20
  4. Step 4: Simplify right side
    72,495,229.60x = 7,580,280,038,208,378
  5. Step 5: Solve for x
    x = 7,580,280,038,208,378/72,495,229.60
  6. Step 6: Final answer
    x = 104,562,466.80

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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.