Home / 42,768,111.20-64,152,166.80-15,852,264.80

Finding the Fourth Proportional to 42,768,111.20, 64,152,166.80 and 15,852,264.80

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Solution

The fourth proportional to 42,768,111.20, 64,152,166.80 and 15,852,264.80 is: 23,778,397.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,768,111.20 : 64,152,166.80 = 15,852,264.80 : x
  2. Step 2: Convert to fraction form
    42,768,111.20/64,152,166.80 = 15,852,264.80/x
  3. Step 3: Cross multiply
    42,768,111.20x = 64,152,166.80 × 15,852,264.80
  4. Step 4: Simplify right side
    42,768,111.20x = 1,016,957,135,607,368.62
  5. Step 5: Solve for x
    x = 1,016,957,135,607,368.62/42,768,111.20
  6. Step 6: Final answer
    x = 23,778,397.20

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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.