Home / 163,386,001.40-245,079,002.10-145,529,583.80

Finding the Fourth Proportional to 163,386,001.40, 245,079,002.10 and 145,529,583.80

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Solution

The fourth proportional to 163,386,001.40, 245,079,002.10 and 145,529,583.80 is: 218,294,375.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,386,001.40 : 245,079,002.10 = 145,529,583.80 : x
  2. Step 2: Convert to fraction form
    163,386,001.40/245,079,002.10 = 145,529,583.80/x
  3. Step 3: Cross multiply
    163,386,001.40x = 245,079,002.10 × 145,529,583.80
  4. Step 4: Simplify right side
    163,386,001.40x = 35,666,245,173,732,328
  5. Step 5: Solve for x
    x = 35,666,245,173,732,328/163,386,001.40
  6. Step 6: Final answer
    x = 218,294,375.70

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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.