Home / 291,036,662.60-436,615,646.70-97,008,355.40

Finding the Fourth Proportional to 291,036,662.60, 436,615,646.70 and 97,008,355.40

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Solution

The fourth proportional to 291,036,662.60, 436,615,646.70 and 97,008,355.40 is: 145,532,749.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,036,662.60 : 436,615,646.70 = 97,008,355.40 : x
  2. Step 2: Convert to fraction form
    291,036,662.60/436,615,646.70 = 97,008,355.40/x
  3. Step 3: Cross multiply
    291,036,662.60x = 436,615,646.70 × 97,008,355.40
  4. Step 4: Simplify right side
    291,036,662.60x = 42,355,365,828,274,440
  5. Step 5: Solve for x
    x = 42,355,365,828,274,440/291,036,662.60
  6. Step 6: Final answer
    x = 145,532,749.89

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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.