Home / 53,762,428.80-80,643,643.20-31,087,612.80

Finding the Fourth Proportional to 53,762,428.80, 80,643,643.20 and 31,087,612.80

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Solution

The fourth proportional to 53,762,428.80, 80,643,643.20 and 31,087,612.80 is: 46,631,419.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,762,428.80 : 80,643,643.20 = 31,087,612.80 : x
  2. Step 2: Convert to fraction form
    53,762,428.80/80,643,643.20 = 31,087,612.80/x
  3. Step 3: Cross multiply
    53,762,428.80x = 80,643,643.20 × 31,087,612.80
  4. Step 4: Simplify right side
    53,762,428.80x = 2,507,018,354,582,953
  5. Step 5: Solve for x
    x = 2,507,018,354,582,953/53,762,428.80
  6. Step 6: Final answer
    x = 46,631,419.20

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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.