Home / 85,232,820.80-127,702,264.80-39,701,230.40

Finding the Fourth Proportional to 85,232,820.80, 127,702,264.80 and 39,701,230.40

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Solution

The fourth proportional to 85,232,820.80, 127,702,264.80 and 39,701,230.40 is: 59,483,389.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,232,820.80 : 127,702,264.80 = 39,701,230.40 : x
  2. Step 2: Convert to fraction form
    85,232,820.80/127,702,264.80 = 39,701,230.40/x
  3. Step 3: Cross multiply
    85,232,820.80x = 127,702,264.80 × 39,701,230.40
  4. Step 4: Simplify right side
    85,232,820.80x = 5,069,937,037,426,610
  5. Step 5: Solve for x
    x = 5,069,937,037,426,610/85,232,820.80
  6. Step 6: Final answer
    x = 59,483,389.03

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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.