Home / 103,014,298.28-142,159,691.58-56,607,545

Finding the Fourth Proportional to 103,014,298.28, 142,159,691.58 and 56,607,545

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Solution

The fourth proportional to 103,014,298.28, 142,159,691.58 and 56,607,545 is: 78,118,390.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,014,298.28 : 142,159,691.58 = 56,607,545 : x
  2. Step 2: Convert to fraction form
    103,014,298.28/142,159,691.58 = 56,607,545/x
  3. Step 3: Cross multiply
    103,014,298.28x = 142,159,691.58 × 56,607,545
  4. Step 4: Simplify right side
    103,014,298.28x = 8,047,311,138,300,972
  5. Step 5: Solve for x
    x = 8,047,311,138,300,972/103,014,298.28
  6. Step 6: Final answer
    x = 78,118,390.09

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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.