Home / 127,202,539.32-175,544,779.50-72,203,513.40

Finding the Fourth Proportional to 127,202,539.32, 175,544,779.50 and 72,203,513.40

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Solution

The fourth proportional to 127,202,539.32, 175,544,779.50 and 72,203,513.40 is: 99,643,842.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,202,539.32 : 175,544,779.50 = 72,203,513.40 : x
  2. Step 2: Convert to fraction form
    127,202,539.32/175,544,779.50 = 72,203,513.40/x
  3. Step 3: Cross multiply
    127,202,539.32x = 175,544,779.50 × 72,203,513.40
  4. Step 4: Simplify right side
    127,202,539.32x = 12,674,949,838,928,296
  5. Step 5: Solve for x
    x = 12,674,949,838,928,296/127,202,539.32
  6. Step 6: Final answer
    x = 99,643,842.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.