Home / 265,712,977.80-398,737,428.30-156,537,937.80

Finding the Fourth Proportional to 265,712,977.80, 398,737,428.30 and 156,537,937.80

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Solution

The fourth proportional to 265,712,977.80, 398,737,428.30 and 156,537,937.80 is: 234,905,856.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,712,977.80 : 398,737,428.30 = 156,537,937.80 : x
  2. Step 2: Convert to fraction form
    265,712,977.80/398,737,428.30 = 156,537,937.80/x
  3. Step 3: Cross multiply
    265,712,977.80x = 398,737,428.30 × 156,537,937.80
  4. Step 4: Simplify right side
    265,712,977.80x = 62,417,534,749,757,368
  5. Step 5: Solve for x
    x = 62,417,534,749,757,368/265,712,977.80
  6. Step 6: Final answer
    x = 234,905,856.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.