Home / 124,803,346.58-186,840,753.14-72,828,679.22

Finding the Fourth Proportional to 124,803,346.58, 186,840,753.14 and 72,828,679.22

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Solution

The fourth proportional to 124,803,346.58, 186,840,753.14 and 72,828,679.22 is: 109,030,451.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,803,346.58 : 186,840,753.14 = 72,828,679.22 : x
  2. Step 2: Convert to fraction form
    124,803,346.58/186,840,753.14 = 72,828,679.22/x
  3. Step 3: Cross multiply
    124,803,346.58x = 186,840,753.14 × 72,828,679.22
  4. Step 4: Simplify right side
    124,803,346.58x = 13,607,365,275,058,572
  5. Step 5: Solve for x
    x = 13,607,365,275,058,572/124,803,346.58
  6. Step 6: Final answer
    x = 109,030,451.89

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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.