Home / 249,696,005.40-374,544,008.10-209,385,221.40

Finding the Fourth Proportional to 249,696,005.40, 374,544,008.10 and 209,385,221.40

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Solution

The fourth proportional to 249,696,005.40, 374,544,008.10 and 209,385,221.40 is: 314,077,832.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,696,005.40 : 374,544,008.10 = 209,385,221.40 : x
  2. Step 2: Convert to fraction form
    249,696,005.40/374,544,008.10 = 209,385,221.40/x
  3. Step 3: Cross multiply
    249,696,005.40x = 374,544,008.10 × 209,385,221.40
  4. Step 4: Simplify right side
    249,696,005.40x = 78,423,980,060,061,904
  5. Step 5: Solve for x
    x = 78,423,980,060,061,904/249,696,005.40
  6. Step 6: Final answer
    x = 314,077,832.10

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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.