Home / 78,833,140.10-118,169,228.55-53,276,732.90

Finding the Fourth Proportional to 78,833,140.10, 118,169,228.55 and 53,276,732.90

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Solution

The fourth proportional to 78,833,140.10, 118,169,228.55 and 53,276,732.90 is: 79,860,708.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,833,140.10 : 118,169,228.55 = 53,276,732.90 : x
  2. Step 2: Convert to fraction form
    78,833,140.10/118,169,228.55 = 53,276,732.90/x
  3. Step 3: Cross multiply
    78,833,140.10x = 118,169,228.55 × 53,276,732.90
  4. Step 4: Simplify right side
    78,833,140.10x = 6,295,670,426,457,404
  5. Step 5: Solve for x
    x = 6,295,670,426,457,404/78,833,140.10
  6. Step 6: Final answer
    x = 79,860,708.56

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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.