Home / 171,663,071.90-257,494,607.85-99,103,660.70

Finding the Fourth Proportional to 171,663,071.90, 257,494,607.85 and 99,103,660.70

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Solution

The fourth proportional to 171,663,071.90, 257,494,607.85 and 99,103,660.70 is: 148,655,491.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,663,071.90 : 257,494,607.85 = 99,103,660.70 : x
  2. Step 2: Convert to fraction form
    171,663,071.90/257,494,607.85 = 99,103,660.70/x
  3. Step 3: Cross multiply
    171,663,071.90x = 257,494,607.85 × 99,103,660.70
  4. Step 4: Simplify right side
    171,663,071.90x = 25,518,658,248,445,956
  5. Step 5: Solve for x
    x = 25,518,658,248,445,956/171,663,071.90
  6. Step 6: Final answer
    x = 148,655,491.05

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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.