Home / 130,454,614.40-195,681,921.60-87,456,444.80

Finding the Fourth Proportional to 130,454,614.40, 195,681,921.60 and 87,456,444.80

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Solution

The fourth proportional to 130,454,614.40, 195,681,921.60 and 87,456,444.80 is: 131,184,667.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,454,614.40 : 195,681,921.60 = 87,456,444.80 : x
  2. Step 2: Convert to fraction form
    130,454,614.40/195,681,921.60 = 87,456,444.80/x
  3. Step 3: Cross multiply
    130,454,614.40x = 195,681,921.60 × 87,456,444.80
  4. Step 4: Simplify right side
    130,454,614.40x = 17,113,645,174,768,326
  5. Step 5: Solve for x
    x = 17,113,645,174,768,326/130,454,614.40
  6. Step 6: Final answer
    x = 131,184,667.20

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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.