Home / 127,590,250.26-176,075,431.08-72,586,106.76

Finding the Fourth Proportional to 127,590,250.26, 176,075,431.08 and 72,586,106.76

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Solution

The fourth proportional to 127,590,250.26, 176,075,431.08 and 72,586,106.76 is: 100,169,331.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,590,250.26 : 176,075,431.08 = 72,586,106.76 : x
  2. Step 2: Convert to fraction form
    127,590,250.26/176,075,431.08 = 72,586,106.76/x
  3. Step 3: Cross multiply
    127,590,250.26x = 176,075,431.08 × 72,586,106.76
  4. Step 4: Simplify right side
    127,590,250.26x = 12,780,630,038,185,904
  5. Step 5: Solve for x
    x = 12,780,630,038,185,904/127,590,250.26
  6. Step 6: Final answer
    x = 100,169,331.22

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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.