Home / 88,020,021.40-132,030,032.10-55,495,832.20

Finding the Fourth Proportional to 88,020,021.40, 132,030,032.10 and 55,495,832.20

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Solution

The fourth proportional to 88,020,021.40, 132,030,032.10 and 55,495,832.20 is: 83,243,748.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,020,021.40 : 132,030,032.10 = 55,495,832.20 : x
  2. Step 2: Convert to fraction form
    88,020,021.40/132,030,032.10 = 55,495,832.20/x
  3. Step 3: Cross multiply
    88,020,021.40x = 132,030,032.10 × 55,495,832.20
  4. Step 4: Simplify right side
    88,020,021.40x = 7,327,116,506,782,214
  5. Step 5: Solve for x
    x = 7,327,116,506,782,214/88,020,021.40
  6. Step 6: Final answer
    x = 83,243,748.30

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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.