Home / 152,388,818.09-210,314,014.59-85,425,862.23

Finding the Fourth Proportional to 152,388,818.09, 210,314,014.59 and 85,425,862.23

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Solution

The fourth proportional to 152,388,818.09, 210,314,014.59 and 85,425,862.23 is: 117,897,469.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,388,818.09 : 210,314,014.59 = 85,425,862.23 : x
  2. Step 2: Convert to fraction form
    152,388,818.09/210,314,014.59 = 85,425,862.23/x
  3. Step 3: Cross multiply
    152,388,818.09x = 210,314,014.59 × 85,425,862.23
  4. Step 4: Simplify right side
    152,388,818.09x = 17,966,256,035,403,552
  5. Step 5: Solve for x
    x = 17,966,256,035,403,552/152,388,818.09
  6. Step 6: Final answer
    x = 117,897,469.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.