Home / 153,341,945.02-211,610,823.87-83,727,285.58

Finding the Fourth Proportional to 153,341,945.02, 211,610,823.87 and 83,727,285.58

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Solution

The fourth proportional to 153,341,945.02, 211,610,823.87 and 83,727,285.58 is: 115,543,075.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,341,945.02 : 211,610,823.87 = 83,727,285.58 : x
  2. Step 2: Convert to fraction form
    153,341,945.02/211,610,823.87 = 83,727,285.58/x
  3. Step 3: Cross multiply
    153,341,945.02x = 211,610,823.87 × 83,727,285.58
  4. Step 4: Simplify right side
    153,341,945.02x = 17,717,599,881,982,570
  5. Step 5: Solve for x
    x = 17,717,599,881,982,570/153,341,945.02
  6. Step 6: Final answer
    x = 115,543,075.18

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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.