Home / 208,744,711.04-288,059,809.32-115,931,197.59

Finding the Fourth Proportional to 208,744,711.04, 288,059,809.32 and 115,931,197.59

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Solution

The fourth proportional to 208,744,711.04, 288,059,809.32 and 115,931,197.59 is: 159,980,669.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,744,711.04 : 288,059,809.32 = 115,931,197.59 : x
  2. Step 2: Convert to fraction form
    208,744,711.04/288,059,809.32 = 115,931,197.59/x
  3. Step 3: Cross multiply
    208,744,711.04x = 288,059,809.32 × 115,931,197.59
  4. Step 4: Simplify right side
    208,744,711.04x = 33,395,118,671,434,988
  5. Step 5: Solve for x
    x = 33,395,118,671,434,988/208,744,711.04
  6. Step 6: Final answer
    x = 159,980,669.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.