Home / 118,580,030.04-163,603,139.40-66,360,768.60

Finding the Fourth Proportional to 118,580,030.04, 163,603,139.40 and 66,360,768.60

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Solution

The fourth proportional to 118,580,030.04, 163,603,139.40 and 66,360,768.60 is: 91,556,985.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,580,030.04 : 163,603,139.40 = 66,360,768.60 : x
  2. Step 2: Convert to fraction form
    118,580,030.04/163,603,139.40 = 66,360,768.60/x
  3. Step 3: Cross multiply
    118,580,030.04x = 163,603,139.40 × 66,360,768.60
  4. Step 4: Simplify right side
    118,580,030.04x = 10,856,830,075,956,944
  5. Step 5: Solve for x
    x = 10,856,830,075,956,944/118,580,030.04
  6. Step 6: Final answer
    x = 91,556,985.37

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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.