Home / 65,931,215.60-98,896,823.40-45,523,881.20

Finding the Fourth Proportional to 65,931,215.60, 98,896,823.40 and 45,523,881.20

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Solution

The fourth proportional to 65,931,215.60, 98,896,823.40 and 45,523,881.20 is: 68,285,821.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,931,215.60 : 98,896,823.40 = 45,523,881.20 : x
  2. Step 2: Convert to fraction form
    65,931,215.60/98,896,823.40 = 45,523,881.20/x
  3. Step 3: Cross multiply
    65,931,215.60x = 98,896,823.40 × 45,523,881.20
  4. Step 4: Simplify right side
    65,931,215.60x = 4,502,167,239,518,980.50
  5. Step 5: Solve for x
    x = 4,502,167,239,518,980.50/65,931,215.60
  6. Step 6: Final answer
    x = 68,285,821.80

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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.