Home / 88,020,009.40-132,030,014.10-55,495,820.20

Finding the Fourth Proportional to 88,020,009.40, 132,030,014.10 and 55,495,820.20

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Solution

The fourth proportional to 88,020,009.40, 132,030,014.10 and 55,495,820.20 is: 83,243,730.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,020,009.40 : 132,030,014.10 = 55,495,820.20 : x
  2. Step 2: Convert to fraction form
    88,020,009.40/132,030,014.10 = 55,495,820.20/x
  3. Step 3: Cross multiply
    88,020,009.40x = 132,030,014.10 × 55,495,820.20
  4. Step 4: Simplify right side
    88,020,009.40x = 7,327,113,923,497,065
  5. Step 5: Solve for x
    x = 7,327,113,923,497,065/88,020,009.40
  6. Step 6: Final answer
    x = 83,243,730.30

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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.