Home / 83,402,146.55-115,095,898.48-47,643,323.07

Finding the Fourth Proportional to 83,402,146.55, 115,095,898.48 and 47,643,323.07

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Solution

The fourth proportional to 83,402,146.55, 115,095,898.48 and 47,643,323.07 is: 65,748,320.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,402,146.55 : 115,095,898.48 = 47,643,323.07 : x
  2. Step 2: Convert to fraction form
    83,402,146.55/115,095,898.48 = 47,643,323.07/x
  3. Step 3: Cross multiply
    83,402,146.55x = 115,095,898.48 × 47,643,323.07
  4. Step 4: Simplify right side
    83,402,146.55x = 5,483,551,075,314,562
  5. Step 5: Solve for x
    x = 5,483,551,075,314,562/83,402,146.55
  6. Step 6: Final answer
    x = 65,748,320.66

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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.