Home / 101,413,421.04-139,953,688.20-57,359,557.92

Finding the Fourth Proportional to 101,413,421.04, 139,953,688.20 and 57,359,557.92

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Solution

The fourth proportional to 101,413,421.04, 139,953,688.20 and 57,359,557.92 is: 79,157,981.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,413,421.04 : 139,953,688.20 = 57,359,557.92 : x
  2. Step 2: Convert to fraction form
    101,413,421.04/139,953,688.20 = 57,359,557.92/x
  3. Step 3: Cross multiply
    101,413,421.04x = 139,953,688.20 × 57,359,557.92
  4. Step 4: Simplify right side
    101,413,421.04x = 8,027,681,684,425,520
  5. Step 5: Solve for x
    x = 8,027,681,684,425,520/101,413,421.04
  6. Step 6: Final answer
    x = 79,157,981.28

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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.