Home / 47,580,457.80-71,290,970.55-40,724,868.90

Finding the Fourth Proportional to 47,580,457.80, 71,290,970.55 and 40,724,868.90

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Solution

The fourth proportional to 47,580,457.80, 71,290,970.55 and 40,724,868.90 is: 61,019,073.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,580,457.80 : 71,290,970.55 = 40,724,868.90 : x
  2. Step 2: Convert to fraction form
    47,580,457.80/71,290,970.55 = 40,724,868.90/x
  3. Step 3: Cross multiply
    47,580,457.80x = 71,290,970.55 × 40,724,868.90
  4. Step 4: Simplify right side
    47,580,457.80x = 2,903,315,429,402,510.50
  5. Step 5: Solve for x
    x = 2,903,315,429,402,510.50/47,580,457.80
  6. Step 6: Final answer
    x = 61,019,073.03

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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.