Home / 105,329,967.05-145,384,565.63-61,285,472.87

Finding the Fourth Proportional to 105,329,967.05, 145,384,565.63 and 61,285,472.87

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Solution

The fourth proportional to 105,329,967.05, 145,384,565.63 and 61,285,472.87 is: 84,590,948.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,329,967.05 : 145,384,565.63 = 61,285,472.87 : x
  2. Step 2: Convert to fraction form
    105,329,967.05/145,384,565.63 = 61,285,472.87/x
  3. Step 3: Cross multiply
    105,329,967.05x = 145,384,565.63 × 61,285,472.87
  4. Step 4: Simplify right side
    105,329,967.05x = 8,909,961,851,600,750
  5. Step 5: Solve for x
    x = 8,909,961,851,600,750/105,329,967.05
  6. Step 6: Final answer
    x = 84,590,948.82

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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.