Home / 103,547,650.36-142,898,789.58-56,507,754.92

Finding the Fourth Proportional to 103,547,650.36, 142,898,789.58 and 56,507,754.92

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Solution

The fourth proportional to 103,547,650.36, 142,898,789.58 and 56,507,754.92 is: 77,982,356.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,547,650.36 : 142,898,789.58 = 56,507,754.92 : x
  2. Step 2: Convert to fraction form
    103,547,650.36/142,898,789.58 = 56,507,754.92/x
  3. Step 3: Cross multiply
    103,547,650.36x = 142,898,789.58 × 56,507,754.92
  4. Step 4: Simplify right side
    103,547,650.36x = 8,074,889,779,951,291
  5. Step 5: Solve for x
    x = 8,074,889,779,951,291/103,547,650.36
  6. Step 6: Final answer
    x = 77,982,356.45

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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.