Home / 99,069,023.80-148,603,535.70-53,152,521.40

Finding the Fourth Proportional to 99,069,023.80, 148,603,535.70 and 53,152,521.40

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Solution

The fourth proportional to 99,069,023.80, 148,603,535.70 and 53,152,521.40 is: 79,728,782.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,069,023.80 : 148,603,535.70 = 53,152,521.40 : x
  2. Step 2: Convert to fraction form
    99,069,023.80/148,603,535.70 = 53,152,521.40/x
  3. Step 3: Cross multiply
    99,069,023.80x = 148,603,535.70 × 53,152,521.40
  4. Step 4: Simplify right side
    99,069,023.80x = 7,898,652,611,409,913
  5. Step 5: Solve for x
    x = 7,898,652,611,409,913/99,069,023.80
  6. Step 6: Final answer
    x = 79,728,782.10

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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.