Home / 249,717,435.34-374,612,043.72-77,207,700.94

Finding the Fourth Proportional to 249,717,435.34, 374,612,043.72 and 77,207,700.94

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Solution

The fourth proportional to 249,717,435.34, 374,612,043.72 and 77,207,700.94 is: 115,822,648.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,717,435.34 : 374,612,043.72 = 77,207,700.94 : x
  2. Step 2: Convert to fraction form
    249,717,435.34/374,612,043.72 = 77,207,700.94/x
  3. Step 3: Cross multiply
    249,717,435.34x = 374,612,043.72 × 77,207,700.94
  4. Step 4: Simplify right side
    249,717,435.34x = 28,922,934,638,182,908
  5. Step 5: Solve for x
    x = 28,922,934,638,182,908/249,717,435.34
  6. Step 6: Final answer
    x = 115,822,648.10

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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.