Home / 72,076,136.41-99,473,807.39-40,715,507.75

Finding the Fourth Proportional to 72,076,136.41, 99,473,807.39 and 40,715,507.75

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Solution

The fourth proportional to 72,076,136.41, 99,473,807.39 and 40,715,507.75 is: 56,192,337.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,076,136.41 : 99,473,807.39 = 40,715,507.75 : x
  2. Step 2: Convert to fraction form
    72,076,136.41/99,473,807.39 = 40,715,507.75/x
  3. Step 3: Cross multiply
    72,076,136.41x = 99,473,807.39 × 40,715,507.75
  4. Step 4: Simplify right side
    72,076,136.41x = 4,050,126,575,754,659
  5. Step 5: Solve for x
    x = 4,050,126,575,754,659/72,076,136.41
  6. Step 6: Final answer
    x = 56,192,337.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.