Home / 118,249,660.80-177,374,491.20-77,905,699.20

Finding the Fourth Proportional to 118,249,660.80, 177,374,491.20 and 77,905,699.20

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Solution

The fourth proportional to 118,249,660.80, 177,374,491.20 and 77,905,699.20 is: 116,858,548.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,249,660.80 : 177,374,491.20 = 77,905,699.20 : x
  2. Step 2: Convert to fraction form
    118,249,660.80/177,374,491.20 = 77,905,699.20/x
  3. Step 3: Cross multiply
    118,249,660.80x = 177,374,491.20 × 77,905,699.20
  4. Step 4: Simplify right side
    118,249,660.80x = 13,818,483,757,180,246
  5. Step 5: Solve for x
    x = 13,818,483,757,180,246/118,249,660.80
  6. Step 6: Final answer
    x = 116,858,548.80

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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.