Home / 152,020,123.56-209,652,315.12-118,537,902

Finding the Fourth Proportional to 152,020,123.56, 209,652,315.12 and 118,537,902

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Solution

The fourth proportional to 152,020,123.56, 209,652,315.12 and 118,537,902 is: 163,476,683.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,020,123.56 : 209,652,315.12 = 118,537,902 : x
  2. Step 2: Convert to fraction form
    152,020,123.56/209,652,315.12 = 118,537,902/x
  3. Step 3: Cross multiply
    152,020,123.56x = 209,652,315.12 × 118,537,902
  4. Step 4: Simplify right side
    152,020,123.56x = 24,851,745,583,767,680
  5. Step 5: Solve for x
    x = 24,851,745,583,767,680/152,020,123.56
  6. Step 6: Final answer
    x = 163,476,683.23

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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.