Home / 165,871,006.40-248,806,509.60-105,554,129.60

Finding the Fourth Proportional to 165,871,006.40, 248,806,509.60 and 105,554,129.60

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Solution

The fourth proportional to 165,871,006.40, 248,806,509.60 and 105,554,129.60 is: 158,331,194.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,871,006.40 : 248,806,509.60 = 105,554,129.60 : x
  2. Step 2: Convert to fraction form
    165,871,006.40/248,806,509.60 = 105,554,129.60/x
  3. Step 3: Cross multiply
    165,871,006.40x = 248,806,509.60 × 105,554,129.60
  4. Step 4: Simplify right side
    165,871,006.40x = 26,262,554,559,642,044
  5. Step 5: Solve for x
    x = 26,262,554,559,642,044/165,871,006.40
  6. Step 6: Final answer
    x = 158,331,194.40

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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.