Home / 161,837,370.60-242,756,055.90-143,130,647.40

Finding the Fourth Proportional to 161,837,370.60, 242,756,055.90 and 143,130,647.40

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Solution

The fourth proportional to 161,837,370.60, 242,756,055.90 and 143,130,647.40 is: 214,695,971.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,837,370.60 : 242,756,055.90 = 143,130,647.40 : x
  2. Step 2: Convert to fraction form
    161,837,370.60/242,756,055.90 = 143,130,647.40/x
  3. Step 3: Cross multiply
    161,837,370.60x = 242,756,055.90 × 143,130,647.40
  4. Step 4: Simplify right side
    161,837,370.60x = 34,745,831,441,237,592
  5. Step 5: Solve for x
    x = 34,745,831,441,237,592/161,837,370.60
  6. Step 6: Final answer
    x = 214,695,971.10

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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.