Home / 71,754,060.48-99,023,823.16-40,402,890.60

Finding the Fourth Proportional to 71,754,060.48, 99,023,823.16 and 40,402,890.60

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Solution

The fourth proportional to 71,754,060.48, 99,023,823.16 and 40,402,890.60 is: 55,757,801.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,754,060.48 : 99,023,823.16 = 40,402,890.60 : x
  2. Step 2: Convert to fraction form
    71,754,060.48/99,023,823.16 = 40,402,890.60/x
  3. Step 3: Cross multiply
    71,754,060.48x = 99,023,823.16 × 40,402,890.60
  4. Step 4: Simplify right side
    71,754,060.48x = 4,000,848,693,927,226.50
  5. Step 5: Solve for x
    x = 4,000,848,693,927,226.50/71,754,060.48
  6. Step 6: Final answer
    x = 55,757,801.96

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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.