Home / 78,986,703.48-118,461,446.28-44,457,803.16

Finding the Fourth Proportional to 78,986,703.48, 118,461,446.28 and 44,457,803.16

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Solution

The fourth proportional to 78,986,703.48, 118,461,446.28 and 44,457,803.16 is: 66,676,230.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,986,703.48 : 118,461,446.28 = 44,457,803.16 : x
  2. Step 2: Convert to fraction form
    78,986,703.48/118,461,446.28 = 44,457,803.16/x
  3. Step 3: Cross multiply
    78,986,703.48x = 118,461,446.28 × 44,457,803.16
  4. Step 4: Simplify right side
    78,986,703.48x = 5,266,535,660,765,154
  5. Step 5: Solve for x
    x = 5,266,535,660,765,154/78,986,703.48
  6. Step 6: Final answer
    x = 66,676,230.67

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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.