Home / 209,845,931.80-314,768,897.70-166,007,954.20

Finding the Fourth Proportional to 209,845,931.80, 314,768,897.70 and 166,007,954.20

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Solution

The fourth proportional to 209,845,931.80, 314,768,897.70 and 166,007,954.20 is: 249,011,931.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,845,931.80 : 314,768,897.70 = 166,007,954.20 : x
  2. Step 2: Convert to fraction form
    209,845,931.80/314,768,897.70 = 166,007,954.20/x
  3. Step 3: Cross multiply
    209,845,931.80x = 314,768,897.70 × 166,007,954.20
  4. Step 4: Simplify right side
    209,845,931.80x = 52,254,140,752,966,080
  5. Step 5: Solve for x
    x = 52,254,140,752,966,080/209,845,931.80
  6. Step 6: Final answer
    x = 249,011,931.30

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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.