Home / 209,953,007.70-314,929,511.55-144,196,041.30

Finding the Fourth Proportional to 209,953,007.70, 314,929,511.55 and 144,196,041.30

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Solution

The fourth proportional to 209,953,007.70, 314,929,511.55 and 144,196,041.30 is: 216,294,061.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,953,007.70 : 314,929,511.55 = 144,196,041.30 : x
  2. Step 2: Convert to fraction form
    209,953,007.70/314,929,511.55 = 144,196,041.30/x
  3. Step 3: Cross multiply
    209,953,007.70x = 314,929,511.55 × 144,196,041.30
  4. Step 4: Simplify right side
    209,953,007.70x = 45,411,588,854,052,632
  5. Step 5: Solve for x
    x = 45,411,588,854,052,632/209,953,007.70
  6. Step 6: Final answer
    x = 216,294,061.95

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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.