Home / 61,241,856.80-91,862,785.20-46,125,312.80

Finding the Fourth Proportional to 61,241,856.80, 91,862,785.20 and 46,125,312.80

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Solution

The fourth proportional to 61,241,856.80, 91,862,785.20 and 46,125,312.80 is: 69,187,969.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,241,856.80 : 91,862,785.20 = 46,125,312.80 : x
  2. Step 2: Convert to fraction form
    61,241,856.80/91,862,785.20 = 46,125,312.80/x
  3. Step 3: Cross multiply
    61,241,856.80x = 91,862,785.20 × 46,125,312.80
  4. Step 4: Simplify right side
    61,241,856.80x = 4,237,199,702,029,210.50
  5. Step 5: Solve for x
    x = 4,237,199,702,029,210.50/61,241,856.80
  6. Step 6: Final answer
    x = 69,187,969.20

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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.