Home / 74,631,639,782.40-102,443,442,722.40-65,984,031,830.40

Finding the Fourth Proportional to 74,631,639,782.40, 102,443,442,722.40 and 65,984,031,830.40

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Solution

The fourth proportional to 74,631,639,782.40, 102,443,442,722.40 and 65,984,031,830.40 is: 90,573,266,313.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,631,639,782.40 : 102,443,442,722.40 = 65,984,031,830.40 : x
  2. Step 2: Convert to fraction form
    74,631,639,782.40/102,443,442,722.40 = 65,984,031,830.40/x
  3. Step 3: Cross multiply
    74,631,639,782.40x = 102,443,442,722.40 × 65,984,031,830.40
  4. Step 4: Simplify right side
    74,631,639,782.40x = 6,759,631,385,410,600,435,712
  5. Step 5: Solve for x
    x = 6,759,631,385,410,600,435,712/74,631,639,782.40
  6. Step 6: Final answer
    x = 90,573,266,313.31

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.