Home / 124,527,772.80-186,287,774.40-109,411,228.80

Finding the Fourth Proportional to 124,527,772.80, 186,287,774.40 and 109,411,228.80

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Solution

The fourth proportional to 124,527,772.80, 186,287,774.40 and 109,411,228.80 is: 163,674,125.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,527,772.80 : 186,287,774.40 = 109,411,228.80 : x
  2. Step 2: Convert to fraction form
    124,527,772.80/186,287,774.40 = 109,411,228.80/x
  3. Step 3: Cross multiply
    124,527,772.80x = 186,287,774.40 × 109,411,228.80
  4. Step 4: Simplify right side
    124,527,772.80x = 20,381,974,307,521,184
  5. Step 5: Solve for x
    x = 20,381,974,307,521,184/124,527,772.80
  6. Step 6: Final answer
    x = 163,674,125.45

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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.