Home / 210,075,886.60-315,113,829.90-133,737,339.40

Finding the Fourth Proportional to 210,075,886.60, 315,113,829.90 and 133,737,339.40

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Solution

The fourth proportional to 210,075,886.60, 315,113,829.90 and 133,737,339.40 is: 200,606,009.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,075,886.60 : 315,113,829.90 = 133,737,339.40 : x
  2. Step 2: Convert to fraction form
    210,075,886.60/315,113,829.90 = 133,737,339.40/x
  3. Step 3: Cross multiply
    210,075,886.60x = 315,113,829.90 × 133,737,339.40
  4. Step 4: Simplify right side
    210,075,886.60x = 42,142,485,218,970,168
  5. Step 5: Solve for x
    x = 42,142,485,218,970,168/210,075,886.60
  6. Step 6: Final answer
    x = 200,606,009.10

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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.