Home / 129,312,148.80-193,968,223.20-124,210,315.20

Finding the Fourth Proportional to 129,312,148.80, 193,968,223.20 and 124,210,315.20

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Solution

The fourth proportional to 129,312,148.80, 193,968,223.20 and 124,210,315.20 is: 186,315,472.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,312,148.80 : 193,968,223.20 = 124,210,315.20 : x
  2. Step 2: Convert to fraction form
    129,312,148.80/193,968,223.20 = 124,210,315.20/x
  3. Step 3: Cross multiply
    129,312,148.80x = 193,968,223.20 × 124,210,315.20
  4. Step 4: Simplify right side
    129,312,148.80x = 24,092,854,142,455,952
  5. Step 5: Solve for x
    x = 24,092,854,142,455,952/129,312,148.80
  6. Step 6: Final answer
    x = 186,315,472.80

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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.