Home / 144,626,426.40-216,941,405.44-42,392,531.28

Finding the Fourth Proportional to 144,626,426.40, 216,941,405.44 and 42,392,531.28

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Solution

The fourth proportional to 144,626,426.40, 216,941,405.44 and 42,392,531.28 is: 63,589,314.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,626,426.40 : 216,941,405.44 = 42,392,531.28 : x
  2. Step 2: Convert to fraction form
    144,626,426.40/216,941,405.44 = 42,392,531.28/x
  3. Step 3: Cross multiply
    144,626,426.40x = 216,941,405.44 × 42,392,531.28
  4. Step 4: Simplify right side
    144,626,426.40x = 9,196,695,316,042,362
  5. Step 5: Solve for x
    x = 9,196,695,316,042,362/144,626,426.40
  6. Step 6: Final answer
    x = 63,589,314.52

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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.