Home / 72,756,095.40-109,134,143.10-44,058,281.40

Finding the Fourth Proportional to 72,756,095.40, 109,134,143.10 and 44,058,281.40

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Solution

The fourth proportional to 72,756,095.40, 109,134,143.10 and 44,058,281.40 is: 66,087,422.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,756,095.40 : 109,134,143.10 = 44,058,281.40 : x
  2. Step 2: Convert to fraction form
    72,756,095.40/109,134,143.10 = 44,058,281.40/x
  3. Step 3: Cross multiply
    72,756,095.40x = 109,134,143.10 × 44,058,281.40
  4. Step 4: Simplify right side
    72,756,095.40x = 4,808,262,787,047,668
  5. Step 5: Solve for x
    x = 4,808,262,787,047,668/72,756,095.40
  6. Step 6: Final answer
    x = 66,087,422.10

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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.