Home / 288,251,897.63-432,288,421.80-103,995,421.10

Finding the Fourth Proportional to 288,251,897.63, 432,288,421.80 and 103,995,421.10

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Solution

The fourth proportional to 288,251,897.63, 432,288,421.80 and 103,995,421.10 is: 155,960,869.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,251,897.63 : 432,288,421.80 = 103,995,421.10 : x
  2. Step 2: Convert to fraction form
    288,251,897.63/432,288,421.80 = 103,995,421.10/x
  3. Step 3: Cross multiply
    288,251,897.63x = 432,288,421.80 × 103,995,421.10
  4. Step 4: Simplify right side
    288,251,897.63x = 44,956,016,459,583,976
  5. Step 5: Solve for x
    x = 44,956,016,459,583,976/288,251,897.63
  6. Step 6: Final answer
    x = 155,960,869.05

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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.