Home / 209,953,193.40-314,929,790.10-166,587,607.80

Finding the Fourth Proportional to 209,953,193.40, 314,929,790.10 and 166,587,607.80

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Solution

The fourth proportional to 209,953,193.40, 314,929,790.10 and 166,587,607.80 is: 249,881,411.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,953,193.40 : 314,929,790.10 = 166,587,607.80 : x
  2. Step 2: Convert to fraction form
    209,953,193.40/314,929,790.10 = 166,587,607.80/x
  3. Step 3: Cross multiply
    209,953,193.40x = 314,929,790.10 × 166,587,607.80
  4. Step 4: Simplify right side
    209,953,193.40x = 52,463,400,357,715,128
  5. Step 5: Solve for x
    x = 52,463,400,357,715,128/209,953,193.40
  6. Step 6: Final answer
    x = 249,881,411.70

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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.