Home / 144,314,169.63-216,507,348.05-42,078,207.25

Finding the Fourth Proportional to 144,314,169.63, 216,507,348.05 and 42,078,207.25

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Solution

The fourth proportional to 144,314,169.63, 216,507,348.05 and 42,078,207.25 is: 63,127,834.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,314,169.63 : 216,507,348.05 = 42,078,207.25 : x
  2. Step 2: Convert to fraction form
    144,314,169.63/216,507,348.05 = 42,078,207.25/x
  3. Step 3: Cross multiply
    144,314,169.63x = 216,507,348.05 × 42,078,207.25
  4. Step 4: Simplify right side
    144,314,169.63x = 9,110,241,062,395,784
  5. Step 5: Solve for x
    x = 9,110,241,062,395,784/144,314,169.63
  6. Step 6: Final answer
    x = 63,127,834.82

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1.5x scale

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.