Home / 78,264,271.74-108,046,626.47-60,343,349.25

Finding the Fourth Proportional to 78,264,271.74, 108,046,626.47 and 60,343,349.25

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Solution

The fourth proportional to 78,264,271.74, 108,046,626.47 and 60,343,349.25 is: 83,306,151.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,264,271.74 : 108,046,626.47 = 60,343,349.25 : x
  2. Step 2: Convert to fraction form
    78,264,271.74/108,046,626.47 = 60,343,349.25/x
  3. Step 3: Cross multiply
    78,264,271.74x = 108,046,626.47 × 60,343,349.25
  4. Step 4: Simplify right side
    78,264,271.74x = 6,519,895,316,693,250
  5. Step 5: Solve for x
    x = 6,519,895,316,693,250/78,264,271.74
  6. Step 6: Final answer
    x = 83,306,151.98

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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.