Home / 139,968,210.20-209,952,315.30-37,742,581.40

Finding the Fourth Proportional to 139,968,210.20, 209,952,315.30 and 37,742,581.40

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Solution

The fourth proportional to 139,968,210.20, 209,952,315.30 and 37,742,581.40 is: 56,613,872.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,968,210.20 : 209,952,315.30 = 37,742,581.40 : x
  2. Step 2: Convert to fraction form
    139,968,210.20/209,952,315.30 = 37,742,581.40/x
  3. Step 3: Cross multiply
    139,968,210.20x = 209,952,315.30 × 37,742,581.40
  4. Step 4: Simplify right side
    139,968,210.20x = 7,924,142,350,328,716
  5. Step 5: Solve for x
    x = 7,924,142,350,328,716/139,968,210.20
  6. Step 6: Final answer
    x = 56,613,872.10

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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.