Home / 88,020,005.40-132,030,008.10-55,495,816.20

Finding the Fourth Proportional to 88,020,005.40, 132,030,008.10 and 55,495,816.20

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Solution

The fourth proportional to 88,020,005.40, 132,030,008.10 and 55,495,816.20 is: 83,243,724.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,020,005.40 : 132,030,008.10 = 55,495,816.20 : x
  2. Step 2: Convert to fraction form
    88,020,005.40/132,030,008.10 = 55,495,816.20/x
  3. Step 3: Cross multiply
    88,020,005.40x = 132,030,008.10 × 55,495,816.20
  4. Step 4: Simplify right side
    88,020,005.40x = 7,327,113,062,402,111
  5. Step 5: Solve for x
    x = 7,327,113,062,402,111/88,020,005.40
  6. Step 6: Final answer
    x = 83,243,724.30

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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.