Home / 70,343,145.40-105,514,718.10-58,249,910.20

Finding the Fourth Proportional to 70,343,145.40, 105,514,718.10 and 58,249,910.20

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Solution

The fourth proportional to 70,343,145.40, 105,514,718.10 and 58,249,910.20 is: 87,374,865.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,343,145.40 : 105,514,718.10 = 58,249,910.20 : x
  2. Step 2: Convert to fraction form
    70,343,145.40/105,514,718.10 = 58,249,910.20/x
  3. Step 3: Cross multiply
    70,343,145.40x = 105,514,718.10 × 58,249,910.20
  4. Step 4: Simplify right side
    70,343,145.40x = 6,146,222,854,103,315
  5. Step 5: Solve for x
    x = 6,146,222,854,103,315/70,343,145.40
  6. Step 6: Final answer
    x = 87,374,865.30

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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.