Home / 215,078,038,875.05-322,458,011,593.35-130,068,934,412.26

Finding the Fourth Proportional to 215,078,038,875.05, 322,458,011,593.35 and 130,068,934,412.26

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Solution

The fourth proportional to 215,078,038,875.05, 322,458,011,593.35 and 130,068,934,412.26 is: 195,007,217,752.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,078,038,875.05 : 322,458,011,593.35 = 130,068,934,412.26 : x
  2. Step 2: Convert to fraction form
    215,078,038,875.05/322,458,011,593.35 = 130,068,934,412.26/x
  3. Step 3: Cross multiply
    215,078,038,875.05x = 322,458,011,593.35 × 130,068,934,412.26
  4. Step 4: Simplify right side
    215,078,038,875.05x = 41,941,769,960,643,213,918,208
  5. Step 5: Solve for x
    x = 41,941,769,960,643,213,918,208/215,078,038,875.05
  6. Step 6: Final answer
    x = 195,007,217,752.29

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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.