Home / 74,886,723.60-112,330,085.40-69,847,875.60

Finding the Fourth Proportional to 74,886,723.60, 112,330,085.40 and 69,847,875.60

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Solution

The fourth proportional to 74,886,723.60, 112,330,085.40 and 69,847,875.60 is: 104,771,813.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,886,723.60 : 112,330,085.40 = 69,847,875.60 : x
  2. Step 2: Convert to fraction form
    74,886,723.60/112,330,085.40 = 69,847,875.60/x
  3. Step 3: Cross multiply
    74,886,723.60x = 112,330,085.40 × 69,847,875.60
  4. Step 4: Simplify right side
    74,886,723.60x = 7,846,017,831,156,576
  5. Step 5: Solve for x
    x = 7,846,017,831,156,576/74,886,723.60
  6. Step 6: Final answer
    x = 104,771,813.40

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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.