Home / 76,416,108.60-114,671,156.70-30,349,918.20

Finding the Fourth Proportional to 76,416,108.60, 114,671,156.70 and 30,349,918.20

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Solution

The fourth proportional to 76,416,108.60, 114,671,156.70 and 30,349,918.20 is: 45,543,541.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,416,108.60 : 114,671,156.70 = 30,349,918.20 : x
  2. Step 2: Convert to fraction form
    76,416,108.60/114,671,156.70 = 30,349,918.20/x
  3. Step 3: Cross multiply
    76,416,108.60x = 114,671,156.70 × 30,349,918.20
  4. Step 4: Simplify right side
    76,416,108.60x = 3,480,260,225,744,382
  5. Step 5: Solve for x
    x = 3,480,260,225,744,382/76,416,108.60
  6. Step 6: Final answer
    x = 45,543,541.66

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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.