Home / 145,518,009.80-218,307,341.10-48,503,856.20

Finding the Fourth Proportional to 145,518,009.80, 218,307,341.10 and 48,503,856.20

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Solution

The fourth proportional to 145,518,009.80, 218,307,341.10 and 48,503,856.20 is: 72,765,892.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,518,009.80 : 218,307,341.10 = 48,503,856.20 : x
  2. Step 2: Convert to fraction form
    145,518,009.80/218,307,341.10 = 48,503,856.20/x
  3. Step 3: Cross multiply
    145,518,009.80x = 218,307,341.10 × 48,503,856.20
  4. Step 4: Simplify right side
    145,518,009.80x = 10,588,747,880,118,750
  5. Step 5: Solve for x
    x = 10,588,747,880,118,750/145,518,009.80
  6. Step 6: Final answer
    x = 72,765,892.65

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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.