Home / 139,968,211.95-209,952,317.93-99,153,543.15

Finding the Fourth Proportional to 139,968,211.95, 209,952,317.93 and 99,153,543.15

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Solution

The fourth proportional to 139,968,211.95, 209,952,317.93 and 99,153,543.15 is: 148,730,314.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,968,211.95 : 209,952,317.93 = 99,153,543.15 : x
  2. Step 2: Convert to fraction form
    139,968,211.95/209,952,317.93 = 99,153,543.15/x
  3. Step 3: Cross multiply
    139,968,211.95x = 209,952,317.93 × 99,153,543.15
  4. Step 4: Simplify right side
    139,968,211.95x = 20,817,516,214,819,008
  5. Step 5: Solve for x
    x = 20,817,516,214,819,008/139,968,211.95
  6. Step 6: Final answer
    x = 148,730,314.73

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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.