Home / 89,427,125.34-134,140,520.70-28,020,985.02

Finding the Fourth Proportional to 89,427,125.34, 134,140,520.70 and 28,020,985.02

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Solution

The fourth proportional to 89,427,125.34, 134,140,520.70 and 28,020,985.02 is: 42,031,425.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,427,125.34 : 134,140,520.70 = 28,020,985.02 : x
  2. Step 2: Convert to fraction form
    89,427,125.34/134,140,520.70 = 28,020,985.02/x
  3. Step 3: Cross multiply
    89,427,125.34x = 134,140,520.70 × 28,020,985.02
  4. Step 4: Simplify right side
    89,427,125.34x = 3,758,749,521,109,700
  5. Step 5: Solve for x
    x = 3,758,749,521,109,700/89,427,125.34
  6. Step 6: Final answer
    x = 42,031,425.11

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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.