Home / 139,968,000.60-209,952,000.90-98,761,421.40

Finding the Fourth Proportional to 139,968,000.60, 209,952,000.90 and 98,761,421.40

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Solution

The fourth proportional to 139,968,000.60, 209,952,000.90 and 98,761,421.40 is: 148,142,132.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,968,000.60 : 209,952,000.90 = 98,761,421.40 : x
  2. Step 2: Convert to fraction form
    139,968,000.60/209,952,000.90 = 98,761,421.40/x
  3. Step 3: Cross multiply
    139,968,000.60x = 209,952,000.90 × 98,761,421.40
  4. Step 4: Simplify right side
    139,968,000.60x = 20,735,158,034,658,080
  5. Step 5: Solve for x
    x = 20,735,158,034,658,080/139,968,000.60
  6. Step 6: Final answer
    x = 148,142,132.10

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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.