Home / 152,730,930.80-210,775,625.03-90,009,675.92

Finding the Fourth Proportional to 152,730,930.80, 210,775,625.03 and 90,009,675.92

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Solution

The fourth proportional to 152,730,930.80, 210,775,625.03 and 90,009,675.92 is: 124,217,443.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,730,930.80 : 210,775,625.03 = 90,009,675.92 : x
  2. Step 2: Convert to fraction form
    152,730,930.80/210,775,625.03 = 90,009,675.92/x
  3. Step 3: Cross multiply
    152,730,930.80x = 210,775,625.03 × 90,009,675.92
  4. Step 4: Simplify right side
    152,730,930.80x = 18,971,845,700,862,632
  5. Step 5: Solve for x
    x = 18,971,845,700,862,632/152,730,930.80
  6. Step 6: Final answer
    x = 124,217,443.06

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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.