Home / 72,307,898.90-99,815,437.58-48,818,257.26

Finding the Fourth Proportional to 72,307,898.90, 99,815,437.58 and 48,818,257.26

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Solution

The fourth proportional to 72,307,898.90, 99,815,437.58 and 48,818,257.26 is: 67,389,811.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,307,898.90 : 99,815,437.58 = 48,818,257.26 : x
  2. Step 2: Convert to fraction form
    72,307,898.90/99,815,437.58 = 48,818,257.26/x
  3. Step 3: Cross multiply
    72,307,898.90x = 99,815,437.58 × 48,818,257.26
  4. Step 4: Simplify right side
    72,307,898.90x = 4,872,815,710,055,820
  5. Step 5: Solve for x
    x = 4,872,815,710,055,820/72,307,898.90
  6. Step 6: Final answer
    x = 67,389,811.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.