Home / 43,008,983.60-64,513,475.40-19,121,111.60

Finding the Fourth Proportional to 43,008,983.60, 64,513,475.40 and 19,121,111.60

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Solution

The fourth proportional to 43,008,983.60, 64,513,475.40 and 19,121,111.60 is: 28,681,667.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,008,983.60 : 64,513,475.40 = 19,121,111.60 : x
  2. Step 2: Convert to fraction form
    43,008,983.60/64,513,475.40 = 19,121,111.60/x
  3. Step 3: Cross multiply
    43,008,983.60x = 64,513,475.40 × 19,121,111.60
  4. Step 4: Simplify right side
    43,008,983.60x = 1,233,569,362,827,254.75
  5. Step 5: Solve for x
    x = 1,233,569,362,827,254.75/43,008,983.60
  6. Step 6: Final answer
    x = 28,681,667.40

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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.