Home / 125,286,731.17-172,916,482.93-73,075,766.83

Finding the Fourth Proportional to 125,286,731.17, 172,916,482.93 and 73,075,766.83

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Solution

The fourth proportional to 125,286,731.17, 172,916,482.93 and 73,075,766.83 is: 100,856,686.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,286,731.17 : 172,916,482.93 = 73,075,766.83 : x
  2. Step 2: Convert to fraction form
    125,286,731.17/172,916,482.93 = 73,075,766.83/x
  3. Step 3: Cross multiply
    125,286,731.17x = 172,916,482.93 × 73,075,766.83
  4. Step 4: Simplify right side
    125,286,731.17x = 12,636,004,587,041,376
  5. Step 5: Solve for x
    x = 12,636,004,587,041,376/125,286,731.17
  6. Step 6: Final answer
    x = 100,856,686.65

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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.