Home / 103,173,294.42-142,380,272.61-56,130,633.27

Finding the Fourth Proportional to 103,173,294.42, 142,380,272.61 and 56,130,633.27

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Solution

The fourth proportional to 103,173,294.42, 142,380,272.61 and 56,130,633.27 is: 77,460,886.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,173,294.42 : 142,380,272.61 = 56,130,633.27 : x
  2. Step 2: Convert to fraction form
    103,173,294.42/142,380,272.61 = 56,130,633.27/x
  3. Step 3: Cross multiply
    103,173,294.42x = 142,380,272.61 × 56,130,633.27
  4. Step 4: Simplify right side
    103,173,294.42x = 7,991,894,866,754,537
  5. Step 5: Solve for x
    x = 7,991,894,866,754,537/103,173,294.42
  6. Step 6: Final answer
    x = 77,460,886.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.