Home / 42,513,108.96-63,779,782.32-13,759,244.64

Finding the Fourth Proportional to 42,513,108.96, 63,779,782.32 and 13,759,244.64

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Solution

The fourth proportional to 42,513,108.96, 63,779,782.32 and 13,759,244.64 is: 20,642,141.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,513,108.96 : 63,779,782.32 = 13,759,244.64 : x
  2. Step 2: Convert to fraction form
    42,513,108.96/63,779,782.32 = 13,759,244.64/x
  3. Step 3: Cross multiply
    42,513,108.96x = 63,779,782.32 × 13,759,244.64
  4. Step 4: Simplify right side
    42,513,108.96x = 877,561,628,026,826.75
  5. Step 5: Solve for x
    x = 877,561,628,026,826.75/42,513,108.96
  6. Step 6: Final answer
    x = 20,642,141.91

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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.