Home / 42,610,130.40-63,941,439.60-18,360,674.40

Finding the Fourth Proportional to 42,610,130.40, 63,941,439.60 and 18,360,674.40

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Solution

The fourth proportional to 42,610,130.40, 63,941,439.60 and 18,360,674.40 is: 27,552,320.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,610,130.40 : 63,941,439.60 = 18,360,674.40 : x
  2. Step 2: Convert to fraction form
    42,610,130.40/63,941,439.60 = 18,360,674.40/x
  3. Step 3: Cross multiply
    42,610,130.40x = 63,941,439.60 × 18,360,674.40
  4. Step 4: Simplify right side
    42,610,130.40x = 1,174,007,953,162,866.25
  5. Step 5: Solve for x
    x = 1,174,007,953,162,866.25/42,610,130.40
  6. Step 6: Final answer
    x = 27,552,320.12

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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.