Home / 64,686,070.80-97,030,661.40-19,249,347.60

Finding the Fourth Proportional to 64,686,070.80, 97,030,661.40 and 19,249,347.60

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Solution

The fourth proportional to 64,686,070.80, 97,030,661.40 and 19,249,347.60 is: 28,874,484.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,686,070.80 : 97,030,661.40 = 19,249,347.60 : x
  2. Step 2: Convert to fraction form
    64,686,070.80/97,030,661.40 = 19,249,347.60/x
  3. Step 3: Cross multiply
    64,686,070.80x = 97,030,661.40 × 19,249,347.60
  4. Step 4: Simplify right side
    64,686,070.80x = 1,867,776,929,146,503
  5. Step 5: Solve for x
    x = 1,867,776,929,146,503/64,686,070.80
  6. Step 6: Final answer
    x = 28,874,484.20

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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.