Home / 249,663,756.20-374,495,634.30-128,731,404.20

Finding the Fourth Proportional to 249,663,756.20, 374,495,634.30 and 128,731,404.20

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Solution

The fourth proportional to 249,663,756.20, 374,495,634.30 and 128,731,404.20 is: 193,097,106.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,663,756.20 : 374,495,634.30 = 128,731,404.20 : x
  2. Step 2: Convert to fraction form
    249,663,756.20/374,495,634.30 = 128,731,404.20/x
  3. Step 3: Cross multiply
    249,663,756.20x = 374,495,634.30 × 128,731,404.20
  4. Step 4: Simplify right side
    249,663,756.20x = 48,209,348,870,208,688
  5. Step 5: Solve for x
    x = 48,209,348,870,208,688/249,663,756.20
  6. Step 6: Final answer
    x = 193,097,106.30

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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.