Home / 97,137,931.20-145,688,234.40-28,982,846.40

Finding the Fourth Proportional to 97,137,931.20, 145,688,234.40 and 28,982,846.40

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Solution

The fourth proportional to 97,137,931.20, 145,688,234.40 and 28,982,846.40 is: 43,468,701.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,137,931.20 : 145,688,234.40 = 28,982,846.40 : x
  2. Step 2: Convert to fraction form
    97,137,931.20/145,688,234.40 = 28,982,846.40/x
  3. Step 3: Cross multiply
    97,137,931.20x = 145,688,234.40 × 28,982,846.40
  4. Step 4: Simplify right side
    97,137,931.20x = 4,222,459,719,902,396
  5. Step 5: Solve for x
    x = 4,222,459,719,902,396/97,137,931.20
  6. Step 6: Final answer
    x = 43,468,701.34

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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.