Home / 209,637,989.76-314,445,543.18-64,071,501.96

Finding the Fourth Proportional to 209,637,989.76, 314,445,543.18 and 64,071,501.96

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Solution

The fourth proportional to 209,637,989.76, 314,445,543.18 and 64,071,501.96 is: 96,103,756.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,637,989.76 : 314,445,543.18 = 64,071,501.96 : x
  2. Step 2: Convert to fraction form
    209,637,989.76/314,445,543.18 = 64,071,501.96/x
  3. Step 3: Cross multiply
    209,637,989.76x = 314,445,543.18 × 64,071,501.96
  4. Step 4: Simplify right side
    209,637,989.76x = 20,146,998,236,170,636
  5. Step 5: Solve for x
    x = 20,146,998,236,170,636/209,637,989.76
  6. Step 6: Final answer
    x = 96,103,756.10

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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.