Home / 64,980,021.60-97,470,032.40-54,776,354.40

Finding the Fourth Proportional to 64,980,021.60, 97,470,032.40 and 54,776,354.40

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Solution

The fourth proportional to 64,980,021.60, 97,470,032.40 and 54,776,354.40 is: 82,164,531.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,980,021.60 : 97,470,032.40 = 54,776,354.40 : x
  2. Step 2: Convert to fraction form
    64,980,021.60/97,470,032.40 = 54,776,354.40/x
  3. Step 3: Cross multiply
    64,980,021.60x = 97,470,032.40 × 54,776,354.40
  4. Step 4: Simplify right side
    64,980,021.60x = 5,339,053,038,121,883
  5. Step 5: Solve for x
    x = 5,339,053,038,121,883/64,980,021.60
  6. Step 6: Final answer
    x = 82,164,531.60

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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.