Home / 140,433,607.80-210,650,411.70-86,014,049.40

Finding the Fourth Proportional to 140,433,607.80, 210,650,411.70 and 86,014,049.40

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Solution

The fourth proportional to 140,433,607.80, 210,650,411.70 and 86,014,049.40 is: 129,021,074.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,433,607.80 : 210,650,411.70 = 86,014,049.40 : x
  2. Step 2: Convert to fraction form
    140,433,607.80/210,650,411.70 = 86,014,049.40/x
  3. Step 3: Cross multiply
    140,433,607.80x = 210,650,411.70 × 86,014,049.40
  4. Step 4: Simplify right side
    140,433,607.80x = 18,118,894,918,094,140
  5. Step 5: Solve for x
    x = 18,118,894,918,094,140/140,433,607.80
  6. Step 6: Final answer
    x = 129,021,074.10

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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.