Home / 162,328,962.35-224,007,966.47-87,987,926.72

Finding the Fourth Proportional to 162,328,962.35, 224,007,966.47 and 87,987,926.72

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Solution

The fourth proportional to 162,328,962.35, 224,007,966.47 and 87,987,926.72 is: 121,420,085.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,328,962.35 : 224,007,966.47 = 87,987,926.72 : x
  2. Step 2: Convert to fraction form
    162,328,962.35/224,007,966.47 = 87,987,926.72/x
  3. Step 3: Cross multiply
    162,328,962.35x = 224,007,966.47 × 87,987,926.72
  4. Step 4: Simplify right side
    162,328,962.35x = 19,709,996,536,898,600
  5. Step 5: Solve for x
    x = 19,709,996,536,898,600/162,328,962.35
  6. Step 6: Final answer
    x = 121,420,085.81

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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.