Home / 103,221,056.80-154,807,925.09-29,443,432.47

Finding the Fourth Proportional to 103,221,056.80, 154,807,925.09 and 29,443,432.47

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Solution

The fourth proportional to 103,221,056.80, 154,807,925.09 and 29,443,432.47 is: 44,158,399.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,221,056.80 : 154,807,925.09 = 29,443,432.47 : x
  2. Step 2: Convert to fraction form
    103,221,056.80/154,807,925.09 = 29,443,432.47/x
  3. Step 3: Cross multiply
    103,221,056.80x = 154,807,925.09 × 29,443,432.47
  4. Step 4: Simplify right side
    103,221,056.80x = 4,558,076,687,480,487
  5. Step 5: Solve for x
    x = 4,558,076,687,480,487/103,221,056.80
  6. Step 6: Final answer
    x = 44,158,399.74

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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.