Home / 124,123,783.56-171,290,820-71,943,086.20

Finding the Fourth Proportional to 124,123,783.56, 171,290,820 and 71,943,086.20

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Solution

The fourth proportional to 124,123,783.56, 171,290,820 and 71,943,086.20 is: 99,281,458.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,123,783.56 : 171,290,820 = 71,943,086.20 : x
  2. Step 2: Convert to fraction form
    124,123,783.56/171,290,820 = 71,943,086.20/x
  3. Step 3: Cross multiply
    124,123,783.56x = 171,290,820 × 71,943,086.20
  4. Step 4: Simplify right side
    124,123,783.56x = 12,323,190,228,528,684
  5. Step 5: Solve for x
    x = 12,323,190,228,528,684/124,123,783.56
  6. Step 6: Final answer
    x = 99,281,458.20

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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.