Home / 152,119,885.95-226,900,861.40-138,154,871.77

Finding the Fourth Proportional to 152,119,885.95, 226,900,861.40 and 138,154,871.77

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Solution

The fourth proportional to 152,119,885.95, 226,900,861.40 and 138,154,871.77 is: 206,070,752.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,119,885.95 : 226,900,861.40 = 138,154,871.77 : x
  2. Step 2: Convert to fraction form
    152,119,885.95/226,900,861.40 = 138,154,871.77/x
  3. Step 3: Cross multiply
    152,119,885.95x = 226,900,861.40 × 138,154,871.77
  4. Step 4: Simplify right side
    152,119,885.95x = 31,347,459,411,219,544
  5. Step 5: Solve for x
    x = 31,347,459,411,219,544/152,119,885.95
  6. Step 6: Final answer
    x = 206,070,752.78

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.