Home / 134,115,342.04-185,037,547.80-78,320,510.56

Finding the Fourth Proportional to 134,115,342.04, 185,037,547.80 and 78,320,510.56

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Solution

The fourth proportional to 134,115,342.04, 185,037,547.80 and 78,320,510.56 is: 108,057,996.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,115,342.04 : 185,037,547.80 = 78,320,510.56 : x
  2. Step 2: Convert to fraction form
    134,115,342.04/185,037,547.80 = 78,320,510.56/x
  3. Step 3: Cross multiply
    134,115,342.04x = 185,037,547.80 × 78,320,510.56
  4. Step 4: Simplify right side
    134,115,342.04x = 14,492,235,216,466,406
  5. Step 5: Solve for x
    x = 14,492,235,216,466,406/134,115,342.04
  6. Step 6: Final answer
    x = 108,057,996.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.