Home / 114,259,939.02-157,726,988.96-77,140,501.28

Finding the Fourth Proportional to 114,259,939.02, 157,726,988.96 and 77,140,501.28

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Solution

The fourth proportional to 114,259,939.02, 157,726,988.96 and 77,140,501.28 is: 106,486,482.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,259,939.02 : 157,726,988.96 = 77,140,501.28 : x
  2. Step 2: Convert to fraction form
    114,259,939.02/157,726,988.96 = 77,140,501.28/x
  3. Step 3: Cross multiply
    114,259,939.02x = 157,726,988.96 × 77,140,501.28
  4. Step 4: Simplify right side
    114,259,939.02x = 12,167,138,994,346,594
  5. Step 5: Solve for x
    x = 12,167,138,994,346,594/114,259,939.02
  6. Step 6: Final answer
    x = 106,486,482.48

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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.