Home / 105,887,208.36-146,101,681.08-61,814,206.20

Finding the Fourth Proportional to 105,887,208.36, 146,101,681.08 and 61,814,206.20

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Solution

The fourth proportional to 105,887,208.36, 146,101,681.08 and 61,814,206.20 is: 85,290,372.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,887,208.36 : 146,101,681.08 = 61,814,206.20 : x
  2. Step 2: Convert to fraction form
    105,887,208.36/146,101,681.08 = 61,814,206.20/x
  3. Step 3: Cross multiply
    105,887,208.36x = 146,101,681.08 × 61,814,206.20
  4. Step 4: Simplify right side
    105,887,208.36x = 9,031,159,440,445,760
  5. Step 5: Solve for x
    x = 9,031,159,440,445,760/105,887,208.36
  6. Step 6: Final answer
    x = 85,290,372.47

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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.