Home / 171,663,048.40-257,494,572.60-99,103,637.20

Finding the Fourth Proportional to 171,663,048.40, 257,494,572.60 and 99,103,637.20

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Solution

The fourth proportional to 171,663,048.40, 257,494,572.60 and 99,103,637.20 is: 148,655,455.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,663,048.40 : 257,494,572.60 = 99,103,637.20 : x
  2. Step 2: Convert to fraction form
    171,663,048.40/257,494,572.60 = 99,103,637.20/x
  3. Step 3: Cross multiply
    171,663,048.40x = 257,494,572.60 × 99,103,637.20
  4. Step 4: Simplify right side
    171,663,048.40x = 25,518,648,703,919,460
  5. Step 5: Solve for x
    x = 25,518,648,703,919,460/171,663,048.40
  6. Step 6: Final answer
    x = 148,655,455.80

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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.