Home / 145,162,688.40-217,492,090.20-94,018,381.20

Finding the Fourth Proportional to 145,162,688.40, 217,492,090.20 and 94,018,381.20

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Solution

The fourth proportional to 145,162,688.40, 217,492,090.20 and 94,018,381.20 is: 140,864,394.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,162,688.40 : 217,492,090.20 = 94,018,381.20 : x
  2. Step 2: Convert to fraction form
    145,162,688.40/217,492,090.20 = 94,018,381.20/x
  3. Step 3: Cross multiply
    145,162,688.40x = 217,492,090.20 × 94,018,381.20
  4. Step 4: Simplify right side
    145,162,688.40x = 20,448,254,244,408,384
  5. Step 5: Solve for x
    x = 20,448,254,244,408,384/145,162,688.40
  6. Step 6: Final answer
    x = 140,864,394.77

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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.