Home / 70,317,177.85-105,453,407.15-65,726,719.02

Finding the Fourth Proportional to 70,317,177.85, 105,453,407.15 and 65,726,719.02

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Solution

The fourth proportional to 70,317,177.85, 105,453,407.15 and 65,726,719.02 is: 98,569,178.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,317,177.85 : 105,453,407.15 = 65,726,719.02 : x
  2. Step 2: Convert to fraction form
    70,317,177.85/105,453,407.15 = 65,726,719.02/x
  3. Step 3: Cross multiply
    70,317,177.85x = 105,453,407.15 × 65,726,719.02
  4. Step 4: Simplify right side
    70,317,177.85x = 6,931,106,460,922,442
  5. Step 5: Solve for x
    x = 6,931,106,460,922,442/70,317,177.85
  6. Step 6: Final answer
    x = 98,569,178.58

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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.