Home / 89,427,111.14-134,140,499.28-28,020,970.77

Finding the Fourth Proportional to 89,427,111.14, 134,140,499.28 and 28,020,970.77

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Solution

The fourth proportional to 89,427,111.14, 134,140,499.28 and 28,020,970.77 is: 42,031,403.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,427,111.14 : 134,140,499.28 = 28,020,970.77 : x
  2. Step 2: Convert to fraction form
    89,427,111.14/134,140,499.28 = 28,020,970.77/x
  3. Step 3: Cross multiply
    89,427,111.14x = 134,140,499.28 × 28,020,970.77
  4. Step 4: Simplify right side
    89,427,111.14x = 3,758,747,009,398,086
  5. Step 5: Solve for x
    x = 3,758,747,009,398,086/89,427,111.14
  6. Step 6: Final answer
    x = 42,031,403.70

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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.