Home / 97,019,591.20-145,316,810.40-86,249,053.60

Finding the Fourth Proportional to 97,019,591.20, 145,316,810.40 and 86,249,053.60

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Solution

The fourth proportional to 97,019,591.20, 145,316,810.40 and 86,249,053.60 is: 129,184,602.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,019,591.20 : 145,316,810.40 = 86,249,053.60 : x
  2. Step 2: Convert to fraction form
    97,019,591.20/145,316,810.40 = 86,249,053.60/x
  3. Step 3: Cross multiply
    97,019,591.20x = 145,316,810.40 × 86,249,053.60
  4. Step 4: Simplify right side
    97,019,591.20x = 12,533,437,369,170,638
  5. Step 5: Solve for x
    x = 12,533,437,369,170,638/97,019,591.20
  6. Step 6: Final answer
    x = 129,184,602.97

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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.