Home / 70,048,878.12-96,660,119.16-40,674,484.80

Finding the Fourth Proportional to 70,048,878.12, 96,660,119.16 and 40,674,484.80

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Solution

The fourth proportional to 70,048,878.12, 96,660,119.16 and 40,674,484.80 is: 56,126,531.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,048,878.12 : 96,660,119.16 = 40,674,484.80 : x
  2. Step 2: Convert to fraction form
    70,048,878.12/96,660,119.16 = 40,674,484.80/x
  3. Step 3: Cross multiply
    70,048,878.12x = 96,660,119.16 × 40,674,484.80
  4. Step 4: Simplify right side
    70,048,878.12x = 3,931,600,547,539,608.50
  5. Step 5: Solve for x
    x = 3,931,600,547,539,608.50/70,048,878.12
  6. Step 6: Final answer
    x = 56,126,531.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.