Home / 154,872,688.50-232,307,457.98-39,856,783.86

Finding the Fourth Proportional to 154,872,688.50, 232,307,457.98 and 39,856,783.86

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Solution

The fourth proportional to 154,872,688.50, 232,307,457.98 and 39,856,783.86 is: 59,784,770.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,872,688.50 : 232,307,457.98 = 39,856,783.86 : x
  2. Step 2: Convert to fraction form
    154,872,688.50/232,307,457.98 = 39,856,783.86/x
  3. Step 3: Cross multiply
    154,872,688.50x = 232,307,457.98 × 39,856,783.86
  4. Step 4: Simplify right side
    154,872,688.50x = 9,259,028,141,575,608
  5. Step 5: Solve for x
    x = 9,259,028,141,575,608/154,872,688.50
  6. Step 6: Final answer
    x = 59,784,770.52

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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.