Home / 99,668,045.70-149,502,068.55-58,685,415.30

Finding the Fourth Proportional to 99,668,045.70, 149,502,068.55 and 58,685,415.30

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Solution

The fourth proportional to 99,668,045.70, 149,502,068.55 and 58,685,415.30 is: 88,028,122.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,668,045.70 : 149,502,068.55 = 58,685,415.30 : x
  2. Step 2: Convert to fraction form
    99,668,045.70/149,502,068.55 = 58,685,415.30/x
  3. Step 3: Cross multiply
    99,668,045.70x = 149,502,068.55 × 58,685,415.30
  4. Step 4: Simplify right side
    99,668,045.70x = 8,773,590,981,065,819
  5. Step 5: Solve for x
    x = 8,773,590,981,065,819/99,668,045.70
  6. Step 6: Final answer
    x = 88,028,122.95

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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.