Home / 88,037,110.90-132,079,285.95-78,518,412.10

Finding the Fourth Proportional to 88,037,110.90, 132,079,285.95 and 78,518,412.10

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Solution

The fourth proportional to 88,037,110.90, 132,079,285.95 and 78,518,412.10 is: 117,798,683.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,037,110.90 : 132,079,285.95 = 78,518,412.10 : x
  2. Step 2: Convert to fraction form
    88,037,110.90/132,079,285.95 = 78,518,412.10/x
  3. Step 3: Cross multiply
    88,037,110.90x = 132,079,285.95 × 78,518,412.10
  4. Step 4: Simplify right side
    88,037,110.90x = 10,370,655,804,095,840
  5. Step 5: Solve for x
    x = 10,370,655,804,095,840/88,037,110.90
  6. Step 6: Final answer
    x = 117,798,683.96

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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.