Home / 35,490,137.60-53,235,206.40-12,768,082.40

Finding the Fourth Proportional to 35,490,137.60, 53,235,206.40 and 12,768,082.40

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Solution

The fourth proportional to 35,490,137.60, 53,235,206.40 and 12,768,082.40 is: 19,152,123.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,490,137.60 : 53,235,206.40 = 12,768,082.40 : x
  2. Step 2: Convert to fraction form
    35,490,137.60/53,235,206.40 = 12,768,082.40/x
  3. Step 3: Cross multiply
    35,490,137.60x = 53,235,206.40 × 12,768,082.40
  4. Step 4: Simplify right side
    35,490,137.60x = 679,711,501,896,207.38
  5. Step 5: Solve for x
    x = 679,711,501,896,207.38/35,490,137.60
  6. Step 6: Final answer
    x = 19,152,123.60

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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.