Home / 64,791,840.80-97,189,316.40-19,355,117.60

Finding the Fourth Proportional to 64,791,840.80, 97,189,316.40 and 19,355,117.60

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Solution

The fourth proportional to 64,791,840.80, 97,189,316.40 and 19,355,117.60 is: 29,033,140.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,791,840.80 : 97,189,316.40 = 19,355,117.60 : x
  2. Step 2: Convert to fraction form
    64,791,840.80/97,189,316.40 = 19,355,117.60/x
  3. Step 3: Cross multiply
    64,791,840.80x = 97,189,316.40 × 19,355,117.60
  4. Step 4: Simplify right side
    64,791,840.80x = 1,881,110,648,385,609
  5. Step 5: Solve for x
    x = 1,881,110,648,385,609/64,791,840.80
  6. Step 6: Final answer
    x = 29,033,140.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.