Home / 228,235,387.18-314,802,465.65-209,457,607.01

Finding the Fourth Proportional to 228,235,387.18, 314,802,465.65 and 209,457,607.01

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Solution

The fourth proportional to 228,235,387.18, 314,802,465.65 and 209,457,607.01 is: 288,902,487.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,235,387.18 : 314,802,465.65 = 209,457,607.01 : x
  2. Step 2: Convert to fraction form
    228,235,387.18/314,802,465.65 = 209,457,607.01/x
  3. Step 3: Cross multiply
    228,235,387.18x = 314,802,465.65 × 209,457,607.01
  4. Step 4: Simplify right side
    228,235,387.18x = 65,937,771,137,207,368
  5. Step 5: Solve for x
    x = 65,937,771,137,207,368/228,235,387.18
  6. Step 6: Final answer
    x = 288,902,487.70

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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.