Home / 187,272,051.80-280,908,077.70-157,038,963.80

Finding the Fourth Proportional to 187,272,051.80, 280,908,077.70 and 157,038,963.80

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Solution

The fourth proportional to 187,272,051.80, 280,908,077.70 and 157,038,963.80 is: 235,558,445.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,272,051.80 : 280,908,077.70 = 157,038,963.80 : x
  2. Step 2: Convert to fraction form
    187,272,051.80/280,908,077.70 = 157,038,963.80/x
  3. Step 3: Cross multiply
    187,272,051.80x = 280,908,077.70 × 157,038,963.80
  4. Step 4: Simplify right side
    187,272,051.80x = 44,113,513,445,057,888
  5. Step 5: Solve for x
    x = 44,113,513,445,057,888/187,272,051.80
  6. Step 6: Final answer
    x = 235,558,445.70

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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.