Home / 65,637,573.80-98,545,007.10-38,371,807.40

Finding the Fourth Proportional to 65,637,573.80, 98,545,007.10 and 38,371,807.40

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Solution

The fourth proportional to 65,637,573.80, 98,545,007.10 and 38,371,807.40 is: 57,609,533.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,637,573.80 : 98,545,007.10 = 38,371,807.40 : x
  2. Step 2: Convert to fraction form
    65,637,573.80/98,545,007.10 = 38,371,807.40/x
  3. Step 3: Cross multiply
    65,637,573.80x = 98,545,007.10 × 38,371,807.40
  4. Step 4: Simplify right side
    65,637,573.80x = 3,781,350,032,672,832
  5. Step 5: Solve for x
    x = 3,781,350,032,672,832/65,637,573.80
  6. Step 6: Final answer
    x = 57,609,533.90

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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.