Home / 139,968,510.20-209,952,765.30-37,742,881.40

Finding the Fourth Proportional to 139,968,510.20, 209,952,765.30 and 37,742,881.40

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Solution

The fourth proportional to 139,968,510.20, 209,952,765.30 and 37,742,881.40 is: 56,614,322.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,968,510.20 : 209,952,765.30 = 37,742,881.40 : x
  2. Step 2: Convert to fraction form
    139,968,510.20/209,952,765.30 = 37,742,881.40/x
  3. Step 3: Cross multiply
    139,968,510.20x = 209,952,765.30 × 37,742,881.40
  4. Step 4: Simplify right side
    139,968,510.20x = 7,924,222,320,319,936
  5. Step 5: Solve for x
    x = 7,924,222,320,319,936/139,968,510.20
  6. Step 6: Final answer
    x = 56,614,322.10

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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.