Home / 72,581,444.70-109,034,368.65-60,637,508.70

Finding the Fourth Proportional to 72,581,444.70, 109,034,368.65 and 60,637,508.70

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Solution

The fourth proportional to 72,581,444.70, 109,034,368.65 and 60,637,508.70 is: 91,091,772.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,581,444.70 : 109,034,368.65 = 60,637,508.70 : x
  2. Step 2: Convert to fraction form
    72,581,444.70/109,034,368.65 = 60,637,508.70/x
  3. Step 3: Cross multiply
    72,581,444.70x = 109,034,368.65 × 60,637,508.70
  4. Step 4: Simplify right side
    72,581,444.70x = 6,611,572,477,613,383
  5. Step 5: Solve for x
    x = 6,611,572,477,613,383/72,581,444.70
  6. Step 6: Final answer
    x = 91,091,772.90

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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.