Home / 217,776,038.40-300,537,737.28-124,973,521.92

Finding the Fourth Proportional to 217,776,038.40, 300,537,737.28 and 124,973,521.92

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Solution

The fourth proportional to 217,776,038.40, 300,537,737.28 and 124,973,521.92 is: 172,467,364.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,776,038.40 : 300,537,737.28 = 124,973,521.92 : x
  2. Step 2: Convert to fraction form
    217,776,038.40/300,537,737.28 = 124,973,521.92/x
  3. Step 3: Cross multiply
    217,776,038.40x = 300,537,737.28 × 124,973,521.92
  4. Step 4: Simplify right side
    217,776,038.40x = 37,559,259,497,749,280
  5. Step 5: Solve for x
    x = 37,559,259,497,749,280/217,776,038.40
  6. Step 6: Final answer
    x = 172,467,364.98

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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.