Home / 144,827,507.88-199,860,573.06-78,748,030.32

Finding the Fourth Proportional to 144,827,507.88, 199,860,573.06 and 78,748,030.32

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Solution

The fourth proportional to 144,827,507.88, 199,860,573.06 and 78,748,030.32 is: 108,671,527.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,827,507.88 : 199,860,573.06 = 78,748,030.32 : x
  2. Step 2: Convert to fraction form
    144,827,507.88/199,860,573.06 = 78,748,030.32/x
  3. Step 3: Cross multiply
    144,827,507.88x = 199,860,573.06 × 78,748,030.32
  4. Step 4: Simplify right side
    144,827,507.88x = 15,738,626,467,101,454
  5. Step 5: Solve for x
    x = 15,738,626,467,101,454/144,827,507.88
  6. Step 6: Final answer
    x = 108,671,527.24

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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.