Home / 157,714,997,526.49-217,721,746,377.95-105,661,358,558.65

Finding the Fourth Proportional to 157,714,997,526.49, 217,721,746,377.95 and 105,661,358,558.65

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Solution

The fourth proportional to 157,714,997,526.49, 217,721,746,377.95 and 105,661,358,558.65 is: 145,862,954,511.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,714,997,526.49 : 217,721,746,377.95 = 105,661,358,558.65 : x
  2. Step 2: Convert to fraction form
    157,714,997,526.49/217,721,746,377.95 = 105,661,358,558.65/x
  3. Step 3: Cross multiply
    157,714,997,526.49x = 217,721,746,377.95 × 105,661,358,558.65
  4. Step 4: Simplify right side
    157,714,997,526.49x = 23,004,775,510,056,032,534,528
  5. Step 5: Solve for x
    x = 23,004,775,510,056,032,534,528/157,714,997,526.49
  6. Step 6: Final answer
    x = 145,862,954,511.93

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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.