Home / 152,905,866.90-211,003,289.51-89,332,098.63

Finding the Fourth Proportional to 152,905,866.90, 211,003,289.51 and 89,332,098.63

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Solution

The fourth proportional to 152,905,866.90, 211,003,289.51 and 89,332,098.63 is: 123,274,319.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,905,866.90 : 211,003,289.51 = 89,332,098.63 : x
  2. Step 2: Convert to fraction form
    152,905,866.90/211,003,289.51 = 89,332,098.63/x
  3. Step 3: Cross multiply
    152,905,866.90x = 211,003,289.51 × 89,332,098.63
  4. Step 4: Simplify right side
    152,905,866.90x = 18,849,366,668,706,748
  5. Step 5: Solve for x
    x = 18,849,366,668,706,748/152,905,866.90
  6. Step 6: Final answer
    x = 123,274,319.37

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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.