Home / 231,603,643.17-347,416,637.91-76,154,009.58

Finding the Fourth Proportional to 231,603,643.17, 347,416,637.91 and 76,154,009.58

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Solution

The fourth proportional to 231,603,643.17, 347,416,637.91 and 76,154,009.58 is: 114,234,688.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,603,643.17 : 347,416,637.91 = 76,154,009.58 : x
  2. Step 2: Convert to fraction form
    231,603,643.17/347,416,637.91 = 76,154,009.58/x
  3. Step 3: Cross multiply
    231,603,643.17x = 347,416,637.91 × 76,154,009.58
  4. Step 4: Simplify right side
    231,603,643.17x = 26,457,169,971,649,532
  5. Step 5: Solve for x
    x = 26,457,169,971,649,532/231,603,643.17
  6. Step 6: Final answer
    x = 114,234,688.24

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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.