Home / 157,801,206-217,746,804.48-87,227,282.72

Finding the Fourth Proportional to 157,801,206, 217,746,804.48 and 87,227,282.72

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Solution

The fourth proportional to 157,801,206, 217,746,804.48 and 87,227,282.72 is: 120,363,225.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,801,206 : 217,746,804.48 = 87,227,282.72 : x
  2. Step 2: Convert to fraction form
    157,801,206/217,746,804.48 = 87,227,282.72/x
  3. Step 3: Cross multiply
    157,801,206x = 217,746,804.48 × 87,227,282.72
  4. Step 4: Simplify right side
    157,801,206x = 18,993,462,075,753,520
  5. Step 5: Solve for x
    x = 18,993,462,075,753,520/157,801,206
  6. Step 6: Final answer
    x = 120,363,225.08

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1.5x scale

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.