Home / 48,002,038.40-66,243,213.52-28,167,663.98

Finding the Fourth Proportional to 48,002,038.40, 66,243,213.52 and 28,167,663.98

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Solution

The fourth proportional to 48,002,038.40, 66,243,213.52 and 28,167,663.98 is: 38,871,611.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,002,038.40 : 66,243,213.52 = 28,167,663.98 : x
  2. Step 2: Convert to fraction form
    48,002,038.40/66,243,213.52 = 28,167,663.98/x
  3. Step 3: Cross multiply
    48,002,038.40x = 66,243,213.52 × 28,167,663.98
  4. Step 4: Simplify right side
    48,002,038.40x = 1,865,916,579,386,753.25
  5. Step 5: Solve for x
    x = 1,865,916,579,386,753.25/48,002,038.40
  6. Step 6: Final answer
    x = 38,871,611.32

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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.