Home / 210,075,883.60-315,113,825.40-133,737,336.40

Finding the Fourth Proportional to 210,075,883.60, 315,113,825.40 and 133,737,336.40

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Solution

The fourth proportional to 210,075,883.60, 315,113,825.40 and 133,737,336.40 is: 200,606,004.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,075,883.60 : 315,113,825.40 = 133,737,336.40 : x
  2. Step 2: Convert to fraction form
    210,075,883.60/315,113,825.40 = 133,737,336.40/x
  3. Step 3: Cross multiply
    210,075,883.60x = 315,113,825.40 × 133,737,336.40
  4. Step 4: Simplify right side
    210,075,883.60x = 42,142,483,671,810,664
  5. Step 5: Solve for x
    x = 42,142,483,671,810,664/210,075,883.60
  6. Step 6: Final answer
    x = 200,606,004.60

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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.