Home / 144,353,368.80-216,554,314.32-71,573,741.28

Finding the Fourth Proportional to 144,353,368.80, 216,554,314.32 and 71,573,741.28

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Solution

The fourth proportional to 144,353,368.80, 216,554,314.32 and 71,573,741.28 is: 107,372,641.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,353,368.80 : 216,554,314.32 = 71,573,741.28 : x
  2. Step 2: Convert to fraction form
    144,353,368.80/216,554,314.32 = 71,573,741.28/x
  3. Step 3: Cross multiply
    144,353,368.80x = 216,554,314.32 × 71,573,741.28
  4. Step 4: Simplify right side
    144,353,368.80x = 15,499,602,466,207,478
  5. Step 5: Solve for x
    x = 15,499,602,466,207,478/144,353,368.80
  6. Step 6: Final answer
    x = 107,372,641.14

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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.