Home / 124,026,421.80-186,039,632.70-80,944,271.40

Finding the Fourth Proportional to 124,026,421.80, 186,039,632.70 and 80,944,271.40

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Solution

The fourth proportional to 124,026,421.80, 186,039,632.70 and 80,944,271.40 is: 121,416,407.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,026,421.80 : 186,039,632.70 = 80,944,271.40 : x
  2. Step 2: Convert to fraction form
    124,026,421.80/186,039,632.70 = 80,944,271.40/x
  3. Step 3: Cross multiply
    124,026,421.80x = 186,039,632.70 × 80,944,271.40
  4. Step 4: Simplify right side
    124,026,421.80x = 15,058,842,520,425,114
  5. Step 5: Solve for x
    x = 15,058,842,520,425,114/124,026,421.80
  6. Step 6: Final answer
    x = 121,416,407.10

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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.