Home / 190,676,751.30-286,103,089.74-87,077,715.66

Finding the Fourth Proportional to 190,676,751.30, 286,103,089.74 and 87,077,715.66

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Solution

The fourth proportional to 190,676,751.30, 286,103,089.74 and 87,077,715.66 is: 130,656,744.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,676,751.30 : 286,103,089.74 = 87,077,715.66 : x
  2. Step 2: Convert to fraction form
    190,676,751.30/286,103,089.74 = 87,077,715.66/x
  3. Step 3: Cross multiply
    190,676,751.30x = 286,103,089.74 × 87,077,715.66
  4. Step 4: Simplify right side
    190,676,751.30x = 24,913,203,497,827,184
  5. Step 5: Solve for x
    x = 24,913,203,497,827,184/190,676,751.30
  6. Step 6: Final answer
    x = 130,656,744.09

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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.