Home / 105,574,248.28-145,650,897.30-65,858,667.24

Finding the Fourth Proportional to 105,574,248.28, 145,650,897.30 and 65,858,667.24

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Solution

The fourth proportional to 105,574,248.28, 145,650,897.30 and 65,858,667.24 is: 90,859,031.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,574,248.28 : 145,650,897.30 = 65,858,667.24 : x
  2. Step 2: Convert to fraction form
    105,574,248.28/145,650,897.30 = 65,858,667.24/x
  3. Step 3: Cross multiply
    105,574,248.28x = 145,650,897.30 × 65,858,667.24
  4. Step 4: Simplify right side
    105,574,248.28x = 9,592,373,978,488,116
  5. Step 5: Solve for x
    x = 9,592,373,978,488,116/105,574,248.28
  6. Step 6: Final answer
    x = 90,859,031.77

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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.