Home / 113,708,146.30-156,917,242.02-61,497,182.10

Finding the Fourth Proportional to 113,708,146.30, 156,917,242.02 and 61,497,182.10

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Solution

The fourth proportional to 113,708,146.30, 156,917,242.02 and 61,497,182.10 is: 84,866,111.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,708,146.30 : 156,917,242.02 = 61,497,182.10 : x
  2. Step 2: Convert to fraction form
    113,708,146.30/156,917,242.02 = 61,497,182.10/x
  3. Step 3: Cross multiply
    113,708,146.30x = 156,917,242.02 × 61,497,182.10
  4. Step 4: Simplify right side
    113,708,146.30x = 9,649,968,207,133,712
  5. Step 5: Solve for x
    x = 9,649,968,207,133,712/113,708,146.30
  6. Step 6: Final answer
    x = 84,866,111.37

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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.