Home / 37,872,281.76-56,808,420.48-31,487,114.40

Finding the Fourth Proportional to 37,872,281.76, 56,808,420.48 and 31,487,114.40

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Solution

The fourth proportional to 37,872,281.76, 56,808,420.48 and 31,487,114.40 is: 47,230,669.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,872,281.76 : 56,808,420.48 = 31,487,114.40 : x
  2. Step 2: Convert to fraction form
    37,872,281.76/56,808,420.48 = 31,487,114.40/x
  3. Step 3: Cross multiply
    37,872,281.76x = 56,808,420.48 × 31,487,114.40
  4. Step 4: Simplify right side
    37,872,281.76x = 1,788,733,234,537,062.75
  5. Step 5: Solve for x
    x = 1,788,733,234,537,062.75/37,872,281.76
  6. Step 6: Final answer
    x = 47,230,669.80

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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.