Home / 145,344,662.40-218,135,966.40-144,210,921.60

Finding the Fourth Proportional to 145,344,662.40, 218,135,966.40 and 144,210,921.60

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Solution

The fourth proportional to 145,344,662.40, 218,135,966.40 and 144,210,921.60 is: 216,434,427.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,344,662.40 : 218,135,966.40 = 144,210,921.60 : x
  2. Step 2: Convert to fraction form
    145,344,662.40/218,135,966.40 = 144,210,921.60/x
  3. Step 3: Cross multiply
    145,344,662.40x = 218,135,966.40 × 144,210,921.60
  4. Step 4: Simplify right side
    145,344,662.40x = 31,457,588,748,650,632
  5. Step 5: Solve for x
    x = 31,457,588,748,650,632/145,344,662.40
  6. Step 6: Final answer
    x = 216,434,427.17

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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.