Home / 42,457,813.80-63,686,720.70-41,740,368.45

Finding the Fourth Proportional to 42,457,813.80, 63,686,720.70 and 41,740,368.45

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Solution

The fourth proportional to 42,457,813.80, 63,686,720.70 and 41,740,368.45 is: 62,610,552.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,457,813.80 : 63,686,720.70 = 41,740,368.45 : x
  2. Step 2: Convert to fraction form
    42,457,813.80/63,686,720.70 = 41,740,368.45/x
  3. Step 3: Cross multiply
    42,457,813.80x = 63,686,720.70 × 41,740,368.45
  4. Step 4: Simplify right side
    42,457,813.80x = 2,658,307,187,390,242
  5. Step 5: Solve for x
    x = 2,658,307,187,390,242/42,457,813.80
  6. Step 6: Final answer
    x = 62,610,552.68

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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.