Home / 68,196,935.03-102,360,075.28-42,210,630.10

Finding the Fourth Proportional to 68,196,935.03, 102,360,075.28 and 42,210,630.10

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Solution

The fourth proportional to 68,196,935.03, 102,360,075.28 and 42,210,630.10 is: 63,355,974.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,196,935.03 : 102,360,075.28 = 42,210,630.10 : x
  2. Step 2: Convert to fraction form
    68,196,935.03/102,360,075.28 = 42,210,630.10/x
  3. Step 3: Cross multiply
    68,196,935.03x = 102,360,075.28 × 42,210,630.10
  4. Step 4: Simplify right side
    68,196,935.03x = 4,320,683,274,290,807
  5. Step 5: Solve for x
    x = 4,320,683,274,290,807/68,196,935.03
  6. Step 6: Final answer
    x = 63,355,974.46

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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.