Home / 60,288,412.40-90,438,148.20-19,898,985.20

Finding the Fourth Proportional to 60,288,412.40, 90,438,148.20 and 19,898,985.20

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Solution

The fourth proportional to 60,288,412.40, 90,438,148.20 and 19,898,985.20 is: 29,850,302.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,288,412.40 : 90,438,148.20 = 19,898,985.20 : x
  2. Step 2: Convert to fraction form
    60,288,412.40/90,438,148.20 = 19,898,985.20/x
  3. Step 3: Cross multiply
    60,288,412.40x = 90,438,148.20 × 19,898,985.20
  4. Step 4: Simplify right side
    60,288,412.40x = 1,799,627,372,547,206.75
  5. Step 5: Solve for x
    x = 1,799,627,372,547,206.75/60,288,412.40
  6. Step 6: Final answer
    x = 29,850,302.92

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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.