Home / 72,072,244.80-99,459,705.60-39,477,196.80

Finding the Fourth Proportional to 72,072,244.80, 99,459,705.60 and 39,477,196.80

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Solution

The fourth proportional to 72,072,244.80, 99,459,705.60 and 39,477,196.80 is: 54,478,535.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,072,244.80 : 99,459,705.60 = 39,477,196.80 : x
  2. Step 2: Convert to fraction form
    72,072,244.80/99,459,705.60 = 39,477,196.80/x
  3. Step 3: Cross multiply
    72,072,244.80x = 99,459,705.60 × 39,477,196.80
  4. Step 4: Simplify right side
    72,072,244.80x = 3,926,390,371,641,261.50
  5. Step 5: Solve for x
    x = 3,926,390,371,641,261.50/72,072,244.80
  6. Step 6: Final answer
    x = 54,478,535.84

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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.